us-gaap |
Marketing and Advertising Expense |
The total expense recognized in the period for promotion, public relations, and brand or product advertising. |
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us-gaap |
Mineral Properties, Net |
Mineral properties, net of adjustments. |
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us-gaap |
Unrealized Gain (Loss) on Investments |
Amount of unrealized gain (loss) on investment. |
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us-gaap |
Marketable Securities, Unrealized Gain (Loss) |
Amount of unrealized gain (loss) on investment in marketable security. |
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|
us-gaap |
Cost of Goods Sold (Deprecated 2018-01-31) |
Total costs related to goods produced and sold during the reporting period. |
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|
us-gaap |
Cost of Revenue |
The aggregate cost of goods produced and sold and services rendered during the reporting period. |
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|
us-gaap |
Cost of Services, Energy Services (Deprecated 2018-01-31) |
Cost incurred in providing energy services during the reporting period. |
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|
us-gaap |
Gain (Loss) on Investments |
Amount of realized and unrealized gain (loss) on investment. |
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|
dei |
Entity Common Stock, Shares Outstanding |
Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument. |
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dei |
Entity Public Float |
The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter. |
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us-gaap |
Accounts Payable, Current |
Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). |
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us-gaap |
Accounts Receivable, after Allowance for Credit Loss, Current |
Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. |
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us-gaap |
Additional Paid in Capital |
Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock. |
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us-gaap |
APIC, Share-based Payment Arrangement, Option, Increase for Cost Recognition |
Amount of increase to additional paid-in capital (APIC) for recognition of cost for option under share-based payment arrangement. |
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us-gaap |
APIC, Share-based Payment Arrangement, Recognition and Exercise |
Amount of increase (decrease) to additional paid-in capital (APIC) for recognition and exercise of award under share-based payment arrangement. |
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us-gaap |
Gain (Loss) on Disposition of Oil and Gas Property |
Amount of gain (loss) on sale or disposal of proven and unproven oil and gas properties. |
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us-gaap |
Assets, Current |
Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. |
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us-gaap |
Assets Held-for-sale, Property, Plant and Equipment (Deprecated 2014-01-31) |
Property, plant and equipment that is held for sale apart from normal operations and anticipated to be sold in less than one year. |
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us-gaap |
Cash and Cash Equivalents, at Carrying Value |
Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. |
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us-gaap |
Cash and Cash Equivalents, Period Increase (Decrease) |
Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes. |
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us-gaap |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect |
Amount of increase (decrease) in cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; excluding effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. |
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us-gaap |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect |
Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. |
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us-gaap |
Class of Warrant or Right, Exercise Price of Warrants or Rights |
Exercise price per share or per unit of warrants or rights outstanding. |
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us-gaap |
Class of Warrant or Right, Outstanding |
Number of warrants or rights outstanding. |
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us-gaap |
Common Stock, Par or Stated Value Per Share |
Face amount or stated value per share of common stock. |
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us-gaap |
Common Stock, Shares Authorized |
The maximum number of common shares permitted to be issued by an entity's charter and bylaws. |
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us-gaap |
Common Stock, Shares, Issued |
Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. |
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us-gaap |
Common Stock, Shares, Outstanding |
Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. |
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us-gaap |
Common Stock, Value, Subscriptions |
Monetary value of common stock allocated to investors to buy shares of a new issue of common stock before they are offered to the public. When stock is sold on a subscription basis, the issuer does not initially receive the total proceeds. In general, the issuer does not issue the shares to the investor until it receives the entire proceeds. |
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us-gaap |
Common Stock, Value, Issued |
Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity. |
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us-gaap |
Communication |
The amount of expense incurred in the period for communication, which is the exchange of information by several methods. |
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us-gaap |
Comprehensive Income (Loss), Net of Tax, Attributable to Parent |
Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. |
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us-gaap |
Costs and Expenses, Related Party |
Costs of sales and operating expenses for the period incurred from transactions with related parties. |
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us-gaap |
Debt Instrument, Increase, Accrued Interest |
Increase for accrued, but unpaid interest on the debt instrument for the period. |
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us-gaap |
Deferred Costs, Noncurrent |
Amount of deferred cost, excluding capitalized cost related to contract with customer; classified as noncurrent. |
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us-gaap |
Deferred Income Tax Expense (Benefit) |
Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. |
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us-gaap |
Deferred Revenue, Current |
Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as current. |
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us-gaap |
Deferred Tax Assets, Capital Loss Carryforwards |
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards. |
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us-gaap |
Deferred Tax Assets, Gross |
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. |
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us-gaap |
Deferred Tax Assets, Net |
Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. |
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us-gaap |
Deferred Tax Assets, Operating Loss Carryforwards |
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. |
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us-gaap |
Deferred Tax Assets, Valuation Allowance |
Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. |
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us-gaap |
Depletion |
The noncash expense charged against earnings to recognize the consumption of natural resources. |
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us-gaap |
Derivative, Gain (Loss) on Derivative, Net |
Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. |
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us-gaap |
Development Stage Enterprise, Deficit Accumulated During Development Stage (Deprecated 2015-01-31) |
Cumulative net losses reported during the development stage. |
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us-gaap |
Due to Officers or Stockholders |
Amounts due to recorded owners or owners with a beneficial interest of more than 10 percent of the voting interests or officers of the company. |
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us-gaap |
Due to Related Parties, Current |
Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer). |
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us-gaap |
Earnings Per Share, Basic |
The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. |
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us-gaap |
Earnings Per Share, Diluted |
The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. |
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us-gaap |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent |
Percentage of domestic federal statutory tax rate applicable to pretax income (loss). |
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us-gaap |
Employee Benefits and Share-based Compensation |
Amount of expense for employee benefit and equity-based compensation. |
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us-gaap |
Employee Benefit and Share-based Payment Arrangement, Noncash |
Amount of noncash expense (reversal of expense) for employee benefits and share-based payment arrangement. Includes, but is not limited to, pension, other postretirement, postemployment and termination benefits. |
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us-gaap |
Exploration Expense, Mining (Deprecated 2018-01-31) |
Exploration expenses (including prospecting) related to the mining industry would be included in operating expenses. Exploration costs include costs incurred in identifying areas that may warrant examination and in examining specific areas that are considered to have prospects of mineral reserves. |
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us-gaap |
Finite-Lived Intangible Assets, Net |
Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. |
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us-gaap |
Foreign Currency Transaction Gain (Loss), before Tax |
Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement. |
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us-gaap |
General Insurance Expense |
The expense in the period incurred with respect to protection provided by insurance entities against risks other than risks associated with production (which are allocated to cost of sales). |
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us-gaap |
Gross Profit |
Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. |
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us-gaap |
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) |
Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. |
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us-gaap |
Other than Temporary Impairment Losses, Investments |
The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income. |
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us-gaap |
Impairment of Long-Lived Assets Held-for-use |
The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). |
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us-gaap |
Impairment of Oil and Gas Properties |
The expense recorded to reduce the value of oil and gas assets consisting of proved properties and unproved properties as the estimate of future successful production from these properties is reduced. |
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us-gaap |
Income (Loss) from Equity Method Investments |
Amount of income (loss) for proportionate share of equity method investee's income (loss). |
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us-gaap |
Income Tax Expense (Benefit) |
Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. |
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|
us-gaap |
Income Taxes Paid |
The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income. |
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us-gaap |
Income Taxes Paid, Net |
The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes. |
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us-gaap |
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount |
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets. |
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us-gaap |
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount |
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates. |
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us-gaap |
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount |
The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. |
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us-gaap |
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount |
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses. |
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us-gaap |
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount |
Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for award under share-based payment arrangement. Includes, but is not limited to, expense determined to be nondeductible upon grant or after for award under share-based payment arrangement. |
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us-gaap |
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount |
Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. |
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us-gaap |
Increase (Decrease) in Accounts Payable and Accrued Liabilities |
The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid. |
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us-gaap |
Increase (Decrease) in Accounts Receivable |
The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services. |
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us-gaap |
Increase (Decrease) in Deferred Revenue |
Amount of increase (decrease) in deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable. |
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|
us-gaap |
Increase (Decrease) in Inventories |
The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities. |
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us-gaap |
Increase (Decrease) in Operating Capital |
The increase (decrease) during the reporting period of all assets and liabilities used in operating activities. |
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us-gaap |
Increase (Decrease) in Prepaid Expense |
The increase (decrease) during the reporting period in the amount of outstanding money paid in advance for goods or services that bring economic benefits for future periods. |
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|
us-gaap |
Interest Expense |
Amount of the cost of borrowed funds accounted for as interest expense. |
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us-gaap |
Interest Expense, Debt |
Amount of the cost of borrowed funds accounted for as interest expense for debt. |
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us-gaap |
Interest Paid, Including Capitalized Interest, Operating and Investing Activities |
Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities. |
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us-gaap |
Interest Paid, Excluding Capitalized Interest, Operating Activities |
Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount. |
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us-gaap |
Inventory, Net |
Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. |
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us-gaap |
Inventory Write-down |
Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels. |
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|
us-gaap |
Investment Income, Interest |
Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. |
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us-gaap |
Issuance of Stock and Warrants for Services or Claims |
Fair value of share-based compensation granted to nonemployees as payment for services rendered or acknowledged claims. |
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us-gaap |
Operating Leases, Rent Expense |
Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. |
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us-gaap |
Legal Fees |
The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings. |
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us-gaap |
Liabilities |
Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future. |
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us-gaap |
Liabilities and Equity |
Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any. |
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us-gaap |
Liabilities, Current |
Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer. |
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us-gaap |
License Costs (Deprecated 2018-01-31) |
Costs incurred and are directly related to generating license revenue. Licensing arrangements include, but are not limited to, rights to use a patent, copyright, technology, manufacturing process, software or trademark. |
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us-gaap |
Loans Payable, Current |
Carrying value as of the balance sheet date of portion of long-term loans payable due within one year or the operating cycle if longer. |
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|
us-gaap |
Long-term Investments |
The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle). |
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us-gaap |
Marketable Securities |
Amount of investment in marketable security. |
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|
us-gaap |
Marketable Securities, Current |
Amount of investment in marketable security, classified as current. |
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|
us-gaap |
Marketable Securities, Gain (Loss) |
Amount of unrealized and realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI). |
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|
us-gaap |
Marketable Securities, Realized Gain (Loss) |
Amount of realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI). |
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us-gaap |
Net Cash Provided by (Used in) Investing Activities |
Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. |
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us-gaap |
Net Cash Provided by (Used in) Operating Activities |
Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. |
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us-gaap |
Net Income (Loss) Attributable to Parent |
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. |
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us-gaap |
Nonoperating Income (Expense) |
The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). |
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|
us-gaap |
Notes Payable, Related Parties, Noncurrent |
The amount for notes payable (written promise to pay), payable to related parties, which are due after one year (or one business cycle). |
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us-gaap |
Number of Reportable Segments |
Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. |
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us-gaap |
Oil and Gas Property, Full Cost Method, Net |
Oil and gas properties, net of depletion, carried under the full cost method. |
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us-gaap |
Oil and Gas Revenue (Deprecated 2018-01-31) |
Aggregate revenue during the period related to oil and gas business activities. |
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|
us-gaap |
Operating Expenses |
Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. |
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us-gaap |
Operating Income (Loss) |
The net result for the period of deducting operating expenses from operating revenues. |
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us-gaap |
Operating Lease, Cost |
Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. |
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us-gaap |
Operating Loss Carryforwards |
Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. |
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us-gaap |
Other Commitment |
Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. |
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us-gaap |
Other Expenses |
Amount of expense classified as other. |
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us-gaap |
Other Income |
Amount of revenue and income classified as other. |
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us-gaap |
Other Long-term Investments |
Amount of long-term investments classified as other. |
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us-gaap |
Other Noncash Expense |
Amount of expense or loss included in net income that result in no cash flow, classified as other. |
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us-gaap |
Other Nonoperating Income (Expense) |
Amount of income (expense) related to nonoperating activities, classified as other. |
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us-gaap |
Other Operating Activities, Cash Flow Statement |
Other cash or noncash adjustments to reconcile net income to cash provided by (used in) operating activities that are not separately disclosed in the statement of cash flows (for example, cash received or cash paid during the current period for miscellaneous operating activities, net change during the reporting period in other assets or other liabilities). |
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us-gaap |
Payments for (Proceeds from) Previous Acquisition |
The net cash inflow or outflow associated with the aggregate amount of adjustment to the purchase price of a previous acquisition. |
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|
us-gaap |
Payments of Stock Issuance Costs |
The cash outflow for cost incurred directly with the issuance of an equity security. |
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|
us-gaap |
Payments to Acquire Marketable Securities |
Amount of cash outflow for purchase of marketable security. |
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|
us-gaap |
Payments to Acquire Property, Plant, and Equipment |
The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. |
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|
us-gaap |
Prepaid Expense, Current |
Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer. |
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|
us-gaap |
Prepaid Expense, Noncurrent |
Sum of the carrying amounts as of the balance sheet date of amounts paid in advance for expenses which will be charged against earnings in periods after one year or beyond the operating cycle, if longer. |
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|
us-gaap |
Proceeds from Related Party Debt |
The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates. |
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us-gaap |
Proceeds from Sale and Maturity of Marketable Securities |
The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period. |
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us-gaap |
Proceeds from Sale of Available-for-sale Securities |
The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities. |
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us-gaap |
Proceeds from Sale of Oil and Gas Property and Equipment |
The cash inflow to dispose of long-lived, physical assets and mineral interests in oil and gas properties used for normal oil and gas operations. |
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us-gaap |
Proceeds from Stock Options Exercised |
Amount of cash inflow from exercise of option under share-based payment arrangement. |
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us-gaap |
Proceeds from Warrant Exercises |
The cash inflow associated with the amount received from holders exercising their stock warrants. |
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us-gaap |
Professional and Contract Services Expense |
Professional and contract service expense includes cost reimbursements for support services related to contracted projects, outsourced management, technical and staff support. |
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us-gaap |
Professional Fees |
A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer. |
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us-gaap |
Results of Operations, Impairment of Oil and Gas Properties |
Costs related to the impairment of oil and gas properties |
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us-gaap |
Retained Earnings (Accumulated Deficit) |
The cumulative amount of the reporting entity's undistributed earnings or deficit. |
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us-gaap |
Revenues |
Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). |
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us-gaap |
Royalty Income, Nonoperating |
Ancillary revenue earned during the period from the consideration paid to the entity for the use of its rights and property by another party. Examples include licensing the use of copyrighted materials and leasing the extraction of natural resources. |
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us-gaap |
Sales Revenue, Energy Services (Deprecated 2018-01-31) |
Revenue derived from energy-related services such as supplying various forms of energy from the operation of on-site facilities or cogeneration plants and procurement services provided to energy purchasers. |
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us-gaap |
Selling and Marketing Expense |
The aggregate total amount of expenses directly related to the marketing or selling of products or services. |
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us-gaap |
Share-based Payment Arrangement, Noncash Expense |
Amount of noncash expense for share-based payment arrangement. |
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us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate |
The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. |
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us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate |
The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. |
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us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate |
The risk-free interest rate assumption that is used in valuing an option on its own shares. |
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us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number |
The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. |
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us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period |
Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. |
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us-gaap |
Other Liabilities, Current |
Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer. |
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us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures |
Net number of share options (or share units) granted during the period. |
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us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number |
Number of options outstanding, including both vested and non-vested options. |
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us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price |
Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. |
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us-gaap |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price |
Weighted average price at which option holders acquired shares when converting their stock options into shares. |
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us-gaap |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price |
Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired. |
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us-gaap |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price |
Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. |
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us-gaap |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price |
Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. |
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us-gaap |
Share-based Goods and Nonemployee Services Transaction, Valuation Method, Expected Dividend Rate |
The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the expected term of a nonvested share or option award issued to other than an employee. |
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us-gaap |
Share-based Goods and Nonemployee Services Transaction, Valuation Method, Expected Volatility Rate |
The estimated measure of the percentage amount by which a share price is expected to fluctuate during the expected term of a nonvested share or option award issued to other than an employee. |
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us-gaap |
Share-based Goods and Nonemployee Services Transaction, Valuation Method, Risk Free Interest Rate |
The risk-free interest rate assumption that is used in valuing a nonvested share or option award issued to other than an employee. |
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us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value |
Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. |
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us-gaap |
Share Price |
Price of a single share of a number of saleable stocks of a company. |
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us-gaap |
Short-term Debt |
Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer. |
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us-gaap |
Shares Granted, Value, Share-based Payment Arrangement, after Forfeiture |
Value, after forfeiture, of shares granted under share-based payment arrangement. Excludes employee stock ownership plan (ESOP). |
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us-gaap |
Stockholders' Equity Attributable to Parent |
Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. |
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us-gaap |
Stock Issued |
The fair value of stock issued in noncash financing activities. |
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us-gaap |
Stock Issued During Period, Shares, New Issues |
Number of new stock issued during the period. |
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us-gaap |
Stock Issued During Period, Shares, Purchase of Assets |
Number of shares of stock issued during the period as part of a transaction to acquire assets that do not qualify as a business combination. |
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us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period |
Number of share options (or share units) exercised during the current period. |
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us-gaap |
Stock Issued During Period, Value, Issued for Services |
Value of stock issued in lieu of cash for services contributed to the entity. Value of the stock issued includes, but is not limited to, services contributed by vendors and founders. |
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us-gaap |
Stock Issued During Period, Value, New Issues |
Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. |
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us-gaap |
Stock Issued During Period, Value, Purchase of Assets |
Value of shares of stock issued during the period as part of a transaction to acquire assets that do not qualify as a business combination. |
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us-gaap |
Stock Issued During Period, Value, Stock Options Exercised |
Value of stock issued as a result of the exercise of stock options. |
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us-gaap |
Travel and Entertainment Expense |
Expenses incurred for travel and entertainment during the period. |
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us-gaap |
Weighted Average Number of Shares Outstanding, Basic and Diluted |
Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS). |
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us-gaap |
Weighted Average Number of Shares Outstanding, Basic |
Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. |
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us-gaap |
Lease, Cost |
Amount of lease cost recognized by lessee for lease contract. |
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us-gaap |
Gain (Loss) on Disposition of Property Plant Equipment |
Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. |
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us-gaap |
Payments to Acquire Mineral Rights |
The cash outflow from the acquisition of a mineral right which is the right to extract a mineral from the earth or to receive payment, in the form of royalty, for the extraction of minerals. |
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us-gaap |
Long-Lived Assets |
Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. |
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us-gaap |
Advertising Expense |
Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. |
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us-gaap |
Foreign Currency Transaction Gain (Loss), Unrealized |
Amount before tax of foreign currency transaction unrealized gain (loss) recognized in the income statement. |
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us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value |
Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. |
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us-gaap |
Foreign Currency Transaction Gain (Loss), Realized |
Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement. |
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us-gaap |
Members' Equity Attributable to Noncontrolling Interest |
Amount of ownership interest in limited liability company (LLC) directly or indirectly attributable to noncontrolling interests. |
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us-gaap |
Net Income (Loss) Attributable to Parent, Diluted |
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent, and includes adjustments resulting from the assumption that dilutive convertible securities were converted, options or warrants were exercised, or that other shares were issued upon the satisfaction of certain conditions. |
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us-gaap |
Net Income (Loss) Available to Common Stockholders, Basic |
Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. |
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us-gaap |
Prepaid Advertising |
Amount of consideration paid in advance for advertising that provides economic benefits within a future period of one year or the normal operating cycle, if longer. |
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us-gaap |
Prepaid Insurance |
Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer. |
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us-gaap |
Weighted Average Number Diluted Shares Outstanding Adjustment |
The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation. |
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us-gaap |
Loss on Sale of Investments |
The difference between the carrying value and the sale price of an investment. A loss would be recognized when the sale price of the investment is less than the carrying value of the investment. This element refers to the Loss included in earnings and not to the cash proceeds of the sale. |
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us-gaap |
Intangible Assets, Current |
The current portion of nonphysical assets, excluding financial assets, if these assets are classified into the current and noncurrent portions. |
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us-gaap |
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest |
The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. |
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us-gaap |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest |
Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. |
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us-gaap |
Cash Equivalents, at Carrying Value |
Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. |
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us-gaap |
Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs |
Amount of decrease in additional paid in capital (APIC) resulting from direct costs associated with issuing stock. Includes, but is not limited to, legal and accounting fees and direct costs associated with stock issues under a shelf registration. |
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us-gaap |
Amortization of Intangible Assets |
The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. |
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us-gaap |
Assets |
Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. |
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us-gaap |
Cost of Services, Oil and Gas (Deprecated 2019-01-31) |
Costs of generating revenue from oil and gas-related services including well services (such as drilling, rigs and analytic evaluations), transportation, and other supporting contractor services, during the reporting period. |
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us-gaap |
Derivative Liability, Noncurrent |
Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. |
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us-gaap |
Earnings Per Share, Basic and Diluted |
The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. |
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us-gaap |
Gain (Loss) on Sale of Securities, Net (Deprecated 2018-01-31) |
The net gain (loss) realized from the sale, exchange, redemption, or retirement of securities, not separately or otherwise categorized as trading, available-for-sale, or held-to-maturity. |
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us-gaap |
General and Administrative Expense |
The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. |
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us-gaap |
Income (Loss) Attributable to Parent, before Tax |
Amount, before tax, of income (loss) attributable to parent. Includes, but is not limited to, income (loss) from continuing operations, discontinued operations and equity method investments. |
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us-gaap |
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest |
Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments. |
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us-gaap |
Increase (Decrease) in Deferred Charges |
The increase (decrease) during the reporting period in the value of expenditures made during the current reporting period for benefits that will be received over a period of years. Deferred charges differ from prepaid expenses in that they usually extend over a long period of time and may or may not be regularly recurring costs of operation. |
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us-gaap |
Increase (Decrease) in Due to Related Parties |
The increase (decrease) during the reporting period in the aggregate amount of obligations to be paid to the following types of related parties: a parent company and its subsidiaries; subsidiaries of a common parent; an entity and trust for the benefit of employees, such as pension and profit-sharing trusts that are managed by or under the trusteeship of the entities' management; an entity and its principal owners, management, or member of their immediate families; affiliates; or other parties with the ability to exert significant influence. |
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us-gaap |
Net Cash Provided by (Used in) Financing Activities |
Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. |
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us-gaap |
Proceeds from (Repayments of) Related Party Debt |
Amount of cash inflow (outflow) from long-term debt by a related party. Related parties, include, but are not limited to, affiliates, owners or officers and their immediate families, and pension trusts. |
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us-gaap |
Repayments of Related Party Debt |
The cash outflow for the payment of a long-term borrowing made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates. |
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us-gaap |
Research and Development Expense |
The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. |
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us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period |
The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. |
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us-gaap |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value |
The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. |
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us-gaap |
Weighted Average Number of Shares Outstanding, Diluted |
The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. |
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us-gaap |
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents |
Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. |
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us-gaap |
Net Income (Loss) Attributable to Noncontrolling Interest |
Amount of Net Income (Loss) attributable to noncontrolling interest. |
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us-gaap |
Exploration Expense |
"Exploration expenses (including prospecting) related to oil and gas producing entities and would be included in operating expenses of that entity. Costs incurred in identifying areas that may warrant examination and in examining specific areas that are considered to have prospects of containing oil and gas reserves, including costs of drilling exploratory wells and exploratory-type stratigraphic test wells. Exploration costs may be incurred both before acquiring the related property (sometimes referred to in part as prospecting costs) and after acquiring the property. Principal types of exploration costs, which include depreciation and applicable operating costs of support equipment and facilities and other costs of exploration activities, are: (i) Costs of topographical, geographical and geophysical studies, rights of access to properties to conduct those studies, and salaries and other expenses of geologists, geophysical crews, and others conducting those studies. Collectively, these are sometimes referred to as geological and geophysical or ""G&G"" costs. (ii) Costs of carrying and retaining undeveloped properties, such as delay rentals, ad valorem taxes on properties, legal costs for title defense, and the maintenance of land and lease records. (iii) Dry hole contributions and bottom hole contributions. (iv) Costs of drilling and equipping exploratory wells. (v) Costs of drilling exploratory-type stratigraphic test wells." |
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us-gaap |
Cash |
Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation. |
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us-gaap |
Stockholders' Equity Attributable to Noncontrolling Interest |
Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest). |
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us-gaap |
Money Market Funds, at Carrying Value |
Investment in short-term money-market instruments (such as commercial paper, banker's acceptances, repurchase agreements, government securities, certificates of deposit, and so forth) which are highly liquid (that is, readily convertible to known amounts of cash) and so near their maturity that they present an insignificant risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify as cash equivalents by definition. Original maturity means an original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three-years ago does not become a cash equivalent when its remaining maturity is three months. |
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