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to Additional Paid in Capital, Stock Issued, Issuance Costs","description":"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.","units":{"USD":[{"start":"2011-04-01","end":"2011-06-30","val":-5015,"accn":"0001062993-11-003149","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-08-09","frame":"CY2011Q2"},{"start":"2011-04-01","end":"2011-09-30","val":-5015,"accn":"0001062993-11-004385","fy":2011,"fp":"Q2","form":"10-Q","filed":"2011-11-09"},{"start":"2011-04-01","end":"2011-12-31","val":-5015,"accn":"0001062993-12-000462","fy":2011,"fp":"Q3","form":"10-Q","filed":"2012-02-09"},{"start":"2012-01-01","end":"2012-12-31","val":-10000,"accn":"0001062993-14-001574","fy":2013,"fp":"FY","form":"10-K","filed":"2014-03-25","frame":"CY2012"}]}},"AssetRetirementObligation":{"label":"Asset Retirement Obligation","description":"The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.","units":{"USD":[{"end":"2014-12-31","val":1400000,"accn":"0001062993-18-001121","fy":2018,"fp":"FY","form":"10-K","filed":"2018-03-08","frame":"CY2014Q4I"},{"end":"2015-12-31","val":1204930,"accn":"0001062993-18-001121","fy":2018,"fp":"FY","form":"10-K","filed":"2018-03-08","frame":"CY2015Q4I"},{"end":"2016-12-31","val":1219903,"accn":"0001062993-18-001121","fy":2018,"fp":"FY","form":"10-K","filed":"2018-03-08","frame":"CY2016Q4I"},{"end":"2017-12-31","val":1257720,"accn":"0001062993-18-001121","fy":2018,"fp":"FY","form":"10-K","filed":"2018-03-08","frame":"CY2017Q4I"}]}},"AssetRetirementObligationAccretionExpense":{"label":"Asset Retirement Obligation, Accretion Expense","description":"Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. 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This may include asset retirement obligations transferred to third parties associated with the sale of a long-lived asset.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":209070,"accn":"0001062993-18-001121","fy":2018,"fp":"FY","form":"10-K","filed":"2018-03-08","frame":"CY2015"},{"start":"2016-01-01","end":"2016-12-31","val":0,"accn":"0001062993-18-001121","fy":2018,"fp":"FY","form":"10-K","filed":"2018-03-08","frame":"CY2016"},{"start":"2017-01-01","end":"2017-12-31","val":0,"accn":"0001062993-18-001121","fy":2018,"fp":"FY","form":"10-K","filed":"2018-03-08","frame":"CY2017"}]}},"AssetRetirementObligationsNoncurrent":{"label":"Asset Retirement Obligations, Noncurrent","description":"Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. 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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' 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Convertible debt is a financial instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.","units":{"USD":[{"end":"2012-12-31","val":0,"accn":"0001062993-13-004109","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-14","frame":"CY2012Q4I"},{"end":"2012-12-31","val":0,"accn":"0001062993-13-002418","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-13"},{"end":"2013-03-31","val":2125000,"accn":"0001062993-13-002418","fy":2013,"fp":"Q1","form":"10-Q","filed":"2013-05-13","frame":"CY2013Q1I"},{"end":"2013-06-30","val":2125000,"accn":"0001062993-13-004109","fy":2013,"fp":"Q2","form":"10-Q","filed":"2013-08-14","frame":"CY2013Q2I"}]}},"ConvertibleDebtNoncurrent":{"label":"Convertible Debt, Noncurrent","description":"Carrying amount of long-term convertible debt as of the balance sheet date, net of the amount due in the next twelve months or greater than the normal operating cycle, if longer. 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Convertible Notes Payable is a written promise to pay a note which can be exchanged for a specified amount of another, related security, at the option of the issuer and the 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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: 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. 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