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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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Amount of interest capitalized during the period.

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Note 3 - Significant Accounting Policies (Details) (USD $)	3 Months Ended		12 Months Ended			1 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jul. 31, 2014	Jan. 31, 2011	Sep. 30, 2013	May 31, 2013	Jul. 31, 2011
Note 3 - Significant Accounting Policies (Details) [Line Items]
Foreign Currency Transaction Gain (Loss), before Tax			$ (600,000)	$ (1,200,000)	$ (200,000)
Debt Instrument, Face Amount							40,000,000us-gaap_DebtInstrumentFaceAmount
Restricted Cash and Cash Equivalents	2,209,000		2,209,000	5,359,000
Allowance for Doubtful Accounts Receivable	0		0	0
Other Liabilities, Current	22,533,000us-gaap_OtherLiabilitiesCurrent		22,533,000us-gaap_OtherLiabilitiesCurrent	24,494,000us-gaap_OtherLiabilitiesCurrent
Increase (Decrease) in Other Operating Liabilities			(18,716,000)	(1,299,000)	836,000
Other Liabilities, Noncurrent				16,755,000us-gaap_OtherLiabilitiesNoncurrent
Asset Impairment Charges	17,000,000us-gaap_AssetImpairmentCharges	41,000,000us-gaap_AssetImpairmentCharges	58,000,000us-gaap_AssetImpairmentCharges	0us-gaap_AssetImpairmentCharges	0us-gaap_AssetImpairmentCharges
Interest Costs Capitalized			9,250,000us-gaap_InterestCostsCapitalized	9,858,000us-gaap_InterestCostsCapitalized	15,600,000us-gaap_InterestCostsCapitalized
Environmental Remediation Expense			800,000us-gaap_EnvironmentalRemediationExpense	300,000us-gaap_EnvironmentalRemediationExpense	500,000us-gaap_EnvironmentalRemediationExpense
Office Equipment, Leasehold Improvements And Vehicles [Member] \| Minimum [Member]
Note 3 - Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life			3 years
Office Equipment, Leasehold Improvements And Vehicles [Member] \| Maximum [Member]
Note 3 - Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life			10 years
Vessels and Related Equipment [Member] \| Minimum [Member]
Note 3 - Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life			2 years
Vessels and Related Equipment [Member] \| Maximum [Member]
Note 3 - Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Useful Life			15 years
Exploratory Expenditures for Block Z1 [Member]
Note 3 - Significant Accounting Policies (Details) [Line Items]
Other Liabilities, Current	22,500,000		22,500,000	23,900,000
Other Liabilities, Noncurrent	0		0	16,800,000
Restricted Cash Balance - $75 Million Secured Debt Facility [Member]
Note 3 - Significant Accounting Policies (Details) [Line Items]
Restricted Cash and Cash Equivalents				1,000,000
$40 Million Secured Debt Facility [Member]
Note 3 - Significant Accounting Policies (Details) [Line Items]
Debt Instrument, Face Amount							40,000,000	40,000,000	25,500,000
Decrease in Restricted Cash						1,000,000
$75 Million Secured Debt Facility [Member]
Note 3 - Significant Accounting Policies (Details) [Line Items]
Debt Instrument, Face Amount									75,000,000	75,000,000
Decrease in Restricted Cash						1,000,000
Pacific Rubiales [Member]
Note 3 - Significant Accounting Policies (Details) [Line Items]
Increase (Decrease) in Other Operating Liabilities			$ (14,400,000)