Document and Entity Information [Abstract] Document and Entity Information [Abstract] Statement [Table] Statement [Table] Statement [Line Items] Statement [Line Items] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Trading Symbol Trading Symbol Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Assets [Abstract] ASSETS Cash and Cash Equivalents, At Carrying Value Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value, Total Cash and cash equivalents at beginning of year Cash and cash equivalents at end of period Receivables, Net, Current [Abstract] Receivables: Accounts Receivable, Net, Current Accrued oil and gas sales Accrued oil and gas sales Other Receivables, Net, Current Joint interest and other receivables Value Added Tax Receivable, Current VAT receivable Inventory, Net Inventory Inventory Other Assets, Current Other current assets Assets, Current Total current assets Total current assets Property, Plant and Equipment, Net [Abstract] Property and equipment, at cost: Proved Oil and Gas Property, Successful Effort Method Proved Unproved Oil and Gas Property, Successful Effort Method Unproved Property, Plant and Equipment, Other, Gross Other property and equipment Property, Plant and Equipment, Gross Gross property and equipment Gross property and equipment Property, Plant and Equipment, Gross, Beginning Balance Property, Plant and Equipment, Gross, Ending Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less accumulated depreciation, depletion, and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance Less accumulated depreciation, depletion and amortization Property, Plant and Equipment, Net Identifiable net property and equipment Net property and equipment Net property and equipment Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net, Ending Balance Assets, Noncurrent [Abstract] Other assets: Certificates Of Deposit, At Carrying Value Certificates of deposit Deferred Finance Costs, Noncurrent, Net Loan fees Deferred Finance Costs, Noncurrent, Net, Total Assets, Noncurrent Total other assets Total other assets Assets Total assets Total assets Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Accounts Payable, Current Accounts payable Accounts Payable, Current, Total Sales and Excise Tax Payable, Current VAT payable Accrued Liabilities, Current Accrued liabilities Accrued Liabilities, Current, Total Liabilities, Current Total current liabilities Total current liabilities Liabilities, Noncurrent [Abstract] Long-term liabilities: Notes Payable, Noncurrent Notes Payable, Noncurrent Notes payable Notes payable Asset Retirement Obligations, Noncurrent Asset retirement obligation Asset retirement obligation Asset Retirement Obligations, Noncurrent, Ending Balance Liabilities, Noncurrent Total long-term liabilities Total long-term liabilities Liabilities Total liabilities Total liabilities Stockholders Equity Attributable To Parent [Abstract] Stockholders' equity: Preferred Stock, Value, Issued Preferred stock, $0.001 par value, 5,000,000 shares authorized as of June 30, 2012, and December 31, 2011; no shares outstanding Preferred Stock, Value, Issued, Total Preferred Stock, Value, Issued, Beginning Balance Preferred Stock, Value, Issued, Ending Balance Common Stock, Value, Issued Common stock, $0.001 par value, 100,000,000 shares authorized as of June 30, 2012, and December 31, 2011; 52,926,098 and 52,787,350 shares issued and outstanding as of June 30, 2012, and December 31, 2011, respectively Common Stock, Value, Issued, Total Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Ending Balance Additional Paid In Capital Additional paid-in capital Additional paid-in capital Additional Paid in Capital, Beginning Balance Additional Paid in Capital, Ending Balance Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net Of Tax Cumulative translation adjustment Balance at December 31, 2011 Balance at June 30, 2012 Retained Earnings (Accumulated Deficit) Accumulated deficit Accumulated deficit Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Ending Balance Stockholders Equity Attributable To Parent Total stockholders' equity Total stockholders' equity Liabilities and Equity Total liabilities and stockholders' equity Total liabilities and stockholders' equity Statement Of Financial Position [Abstract] Balanace Sheet Parenthetical [Abstract] Preferred Stock, Par Or Stated Value Per Share Preferred stock, par value (in dollars per share) Preferred Stock, Shares Authorized Preferred stock, shares authorized Preferred Stock, Shares Outstanding Preferred stock, shares outstanding Preferred Stock, Shares Outstanding, Beginning Balance Preferred Stock, Shares Outstanding, Ending Balance Common Stock, Par Or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Issued, Total Common Stock, Shares, Outstanding Common stock, shares outstanding Common Stock, Shares, Outstanding, Beginning Balance Common Stock, Shares, Outstanding, Ending Balance Income Statement [Abstract] Income Statement [Abstract] Revenue, Net [Abstract] Revenues: Oil and Gas Sales Revenue Oil and gas sales Revenue, Oil and Gas Services Oilfield services Revenue, Net Revenues Total revenues Total revenues Costs and Expenses [Abstract] Operating costs and expenses: Oil and Gas Property, Lease Operating Expense Lease operating expenses Exploration and Production Costs Exploration costs Gain (Loss) On Sale Of Oil and Gas Property Loss on sale of assets Loss on sale of assets Loss on sale of assets Cost Of Services, Oil and Gas Oilfield services costs Depreciation, Depletion and Amortization, Nonproduction Depreciation, depletion and amortization Depreciation, Depletion and Amortization, Nonproduction, Total Asset Retirement Obligation, Accretion Expense Accretion expense Allocated Share-Based Compensation Expense Stock compensation Stock compensation Allocated Share-based Compensation Expense, Total General and Administrative Expense General and administrative General and administrative costs General and Administrative Expense, Total Costs and Expenses Total operating costs and expenses Total operating costs and expenses Operating Income (Loss) Operating income Operating income (loss) Nonoperating Income (Expense) [Abstract] Other income (expense): Interest Expense Interest expense Interest Expense, Total Interest expense Interest and Other Income Interest and other income Foreign Currency Transaction Gain (Loss), Before Tax Foreign exchange gain (loss) Foreign exchange gain Foreign Currency Transaction Gain (Loss), before Tax, Total Nonoperating Income (Expense) Total other income Total other income (expense) Net Income (Loss) Attributable To Parent Net income (loss) Net income Net income (loss) Net income Other Comprehensive Income (Loss), Net Of Tax [Abstract] Other comprehensive income (loss) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net Of Tax Foreign currency translation adjustment Comprehensive Income (Loss), Net Of Tax, Including Portion Attributable To Noncontrolling Interest Comprehensive income (loss) Comprehensive income (loss) Earnings Per Share [Abstract] Net income (loss) per common share Earnings Per Share [Abstract] Earnings Per Share, Basic Basic (in dollars per share) Basic Earnings Per Share, Diluted Diluted (in dollars per share) Diluted Weighted Average Number Of Shares Outstanding, Diluted [Abstract] Weighted average common shares outstanding Weighted average common shares outstanding Weighted Average Number Of Shares Outstanding, Basic Basic (in shares) Incremental Common Shares Attributable To Call Options and Warrants Dilutive effect of stock options (in shares) Dilutive effect of stock options Weighted Average Number Of Shares Outstanding, Diluted Diluted (in shares) Statement Of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Net Cash Provided By (Used In) Operating Activities [Abstract] Cash flows from operating activities: Adjustments To Reconcile Net Income (Loss) To Cash Provided By (Used In) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash provided by (used in) operating activities: Depreciation, Depletion and Amortization Depreciation, depletion and amortization Amortization Of Financing Costs Amortization of loan fees Share-Based Compensation Stock compensation Foreign Currency Transaction Gain (Loss), Unrealized Foreign exchange gains Unrealized foreign exchange losses Unrealized foreign exchange gains Common Stock Issued For Services General and Administrative Common stock issued for services The remuneration to non-employees in common stock for services rendered during the period. Increase (Decrease) In Operating Capital [Abstract] Increase (decrease) from changes in working capital items: Increase (Decrease) In Receivables Receivables Increase (Decrease) in Receivables, Total Receivables Increase (Decrease) In Inventories Inventory Increase (Decrease) in Inventories, Total Inventory Increase (Decrease) In Other Current Assets Other current assets Other current assets Increase (Decrease) In Accounts Payable and Accrued Liabilities Accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total Accounts payable and accrued liabilities Net Cash Provided By (Used In) Operating Activities Net cash provided by operating activities Net cash provided by (used in) operating activities Net Cash Provided By (Used In) Investing Activities [Abstract] Cash flows from investing activities: Payments To Acquire Oil and Gas Property Additions to oil and gas properties Additions to oil and gas properties Payments To Acquire Other Property, Plant, and Equipment Additions to other property and equipment Additions to other property and equipment Proceeds From Sale Of Productive Assets Proceeds from sale of assets Net Cash Provided By (Used In) Investing Activities Net cash used in investing activities Net cash used in investing activities Net Cash Provided By (Used In) Financing Activities [Abstract] Cash flows from financing activities: Proceeds From Stock Options Exercised Proceeds from stock option exercises Proceeds from Stock Options Exercises Proceeds From Issuance Of Common Stock Proceeds from Issuance of Common Stock Proceeds from common stock offering, net Repayments Of Long-Term Lines Of Credit Payments made on credit facility Payments made on credit facility Net Cash Provided By (Used In) Financing Activities Net cash provided by financing activities Net cash provided by in financing activities Effect Of Exchange Rate On Cash and Cash Equivalents Effect of exchange-rate changes on cash Effect of Exchange Rate on Cash and Cash Equivalents, Total Cash and Cash Equivalents, Period Increase (Decrease) Net increase (decrease) in cash Net decrease in cash Accounting Policies [Abstract] Basis Of Presentation [Abstract] Basis Of Presentation and Significant Accounting Policies [Text Block] Business Description and Accounting Policies [Text Block] Earnings Per Share [Text Block] Earnings Per Share [Text Block] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Income Tax Disclosure [Text Block] Income Tax Disclosure [Text Block] Segment Reporting [Abstract] Segment Reporting [Abstract] Segment Reporting Disclosure [Text Block] Segment Reporting Disclosure [Text Block] Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Disclosure Of Compensation Related Costs, Share-Based Payments [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Stockholders Equity Note [Abstract] Stockholders' Equity Note [Abstract] Stockholders Equity Note Disclosure [Text Block] Stockholders' Equity Note Disclosure [Text Block] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Fair Value Disclosures [Text Block] Fair Value Disclosures [Text Block] Debt Disclosure [Abstract] Notes Payable [Abstract] Debt Disclosure [Text Block] Debt Disclosure [Text Block] Oil and Gas Exploration and Production Industries Disclosures [Abstract] Capitalized Exploratory Well Costs [Abstract] Oil and Gas Exploration and Production Industries Disclosures [Text Block] Oil and Gas Exploration and Production Industries Disclosures [Text Block] Foreign Currency [Abstract] Foreign Currency [Abstract] Foreign Currency Disclosure [Text Block] Foreign Currency Disclosure [Text Block] Schedule Of Nonvested Stock Options And Restricted Stock Units Activity [Table Text Block] Tabular disclosure of outstanding options and unvested restricted stock. Schedule Of Segment Reporting Information, By Segment [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Schedule Of Share-Based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] Fair Value, Assets Measured On Recurring Basis [Table Text Block] Fair Value, Assets Measured on Recurring Basis [Table Text Block] Foreign Currency Translation and Risk [Abstract] Foreign Currency Translation and Risk [Abstract] Cumulative Foreign Currency Translation Adjustments [Table Text Block] Tabular disclosure for changes in the cumulative translation adjustment during the period. Sharebased Compensation Arrangement By Sharebased Payment Award Options and Unvested Restricted Stock Outstanding Number Options and Unvested Restricted Stock, Outstanding Number (in shares) The number of shares reserved for issuance under stock option and unvested restricted stock agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date. Share-Based Compensation, Shares Authorized Under Stock Option Plans, Exercise Price Range, Lower Range Limit Stock Option Plans, Exercise Price Range, Lower Range Limit (in dollars per share) Share-Based Compensation, Shares Authorized Under Stock Option Plans, Exercise Price Range, Upper Range Limit Stock Option Plans, Exercise Price Range, Upper Range Limit (in dollars per share) Statement, Business Segments [Axis] Statement, Business Segments [Axis] Segment [Domain] Segment [Domain] Exploration and Production [Member] Oilfield Services [Member] Unallocated Amount To Segment [Member] Nonsegmented [Member] Geographical [Axis] Segments Geographical Areas [Axis] Segment, Geographical [Domain] Segments Geographical Areas [Domain] United States [Member] Poland [Member] Other Expenses Other Expenses Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding, Number Number of Options, Outstanding at Beginning of year Number of Options, Outstanding at Beginning of year Number of Options, Outstanding at End of period Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercises In Period Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Number of Options, Exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Expirations In Period Number of Options, Expired Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercisable, Number Number of Options, Exercisable at end of period Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Options, Weighted Average Exercise Price, Outstanding at Beginning of year Options, Weighted Average Exercise Price, Outstanding at Beginning of year Options, Weighted Average Exercise Price, Outstanding at End of period Share-Based Compensation Arrangements By Share-Based Payment Award, Options, Exercises In Period, Weighted Average Exercise Price Options, Weighted Average Exercise Price, Exercised Share-Based Compensation Arrangements By Share-Based Payment Award, Options, Expirations In Period, Weighted Average Exercise Price Options, Weighted Average Exercise Price, Expired Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Options, Weighted Average Exercise Price, Exercisable at end of period Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Options, Weighted Average Remaining Contractual Term, Outstanding at End of period (in years) Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Options, Weighted Average Remaining Contractual Term, Exercisable at end of period (in years) Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercisable, Intrinsic Value Options, Aggregate Intrinsic Value, Exercisable at end of period Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Nonvested, Number Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Number of Shares, Unvested restricted stock outstanding at Beginning of year Number of Shares, Unvested restricted stock outstanding at End of period Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Grants In Period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) Number of Shares, Issued Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Forfeited In Period Number of Shares, Forfeited Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Vested In Period Number of Shares, Vested Schedule Of Share-Based Compensation Arrangement By Share-Based Payment Award, Award Type and Plan Name [Axis] Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Award Type and Plan Name [Axis] Share-Based Compensation Arrangements By Share-Based Payment Award, Award Type and Plan Name [Domain] Share-based Compensation Arrangements by Share-based Payment Award, Award Type and Plan Name [Domain] Stock Options [Member] Restricted Stock Issue One [Member] Restricted Stock Issue Two [Member] Restricted Stock Issue Three [Member] Restricted Stock Issue Four [Member] Share-Based Compensation Arrangement By Share-Based Payment Award, Description Share-based Compensation Arrangement by Share-based Payment Award, Description Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding, Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value (in dollars per share) Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares) Deferred Compensation Arrangement With Individual, Compensation Expense Deferred Compensation Arrangement with Individual, Compensation Expense Share-Based Compensation Arrangement By Share-Based Payment Award, Award Vesting Period Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 Share Based Compensation Arrangement By Grant Of Options Terms Of Grant Share Based Compensation Arrangement By Grant Of Options, Terms Of Grant The terms of Option grants. Subsidiary, Sale Of Stock [Axis] Subsidiary, Sale of Stock [Axis] Sale Of Stock, Name Of Transaction [Domain] Sale of Stock, Name of Transaction [Domain] Public Offering [Member] Stock Issued During Period, Shares, Employee Benefit Plan Stock Issued During Period, Shares, Employee Benefit Plan (in shares) Stock Issued During Period, Shares, New Issues Stock Issued During Period, Shares, New Issues (in shares) Stock Issued During Period Issue Price Per Share Stock Issued During Period Issue Price Per Share (in dollars per share) Stock issued during period issue price per share. Stock Issued During Period, Shares, Issued For Services Stock Issued During Period Shares Issued For Services Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 [Member] Money Market Funds, At Carrying Value Money market funds, at Carrying Value Money Market Funds At Fair Value Money market funds, at Fair Value Fair value of 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. Long-Term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-Term Debt, Type [Domain] Long-term Debt, Type [Domain] Senior Notes [Member] Senior Notes, Noncurrent Senior Notes, Noncurrent Debt Instrument, Description Of Variable Rate Basis Debt Instrument, Description of Variable Rate Basis Debt Instrument, Maturity Period Debt Instrument, Maturity Period Period when the debt instrument is scheduled to be fully repaid, which may be presented in a variety of ways (year, month and year, day, month and year, quarter, etc.). Debt Instrument, Frequency Of Periodic Payment Debt Instrument, Frequency of Periodic Payment Debt Instrument, Periodic Payment, Principal Debt Instrument, Periodic Payment, Principal Debt Instrument, Date Of First Required Payment Debt Instrument Date Of First Required Payment1 Debt Instrument, Unused Borrowing Capacity, Description Debt Instrument, Unused Borrowing Capacity, Description Line Of Credit Facility, Remaining Borrowing Capacity Line of Credit Facility, Remaining Borrowing Capacity Capitalized Costs, Oil and Gas Producing Activities, Gross [Abstract] Capitalized Costs, Oil and Gas Producing Activities, Gross [Abstract] Capitalized Costs Of Unproved Properties Excluded From Amortization By Property Or Project [Axis] Capitalized Costs of Unproved Properties Excluded from Amortization by Property or Project [Axis] Unproved Oil and Gas Property Or Major Project [Domain] Unproved Oil and Gas Property or Major Project [Domain] Alberta Bakken Project [Member] Plawce-2 Wells [Member] Kutno Wells [Member] Kutno [Member] Komorze - 3 [Member] Capitalized Costs, Wells and Related Equipment and Facilities Capitalized Costs, Wells and Related Equipment and Facilities Cumulative Translation Adjustment Net Of Tax Period Decrease Decrease related to gains on intercompany loans The decrease in cumulative translation adjustment before transfers included in determining net income. Cumulative Translation Adjustment Net Of Tax Period Increase Increase related to translation adjustments The increase in cumulative translation adjustment before transfers included in determining net income. Statement, Scenario [Axis] Scenario, Unspecified [Domain] Increase (Decrease) In Other Operating Assets Other assets Increase (Decrease) in Other Operating Assets, Total Other assets: Proceeds From Exercise Of Stock Options and Warrants Proceeds from exercise of stock options and warrants The cash inflow associated with the amount received from holders exercising their stock options and stock warrants.