Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net revenue:
Oil revenue, net	$ 12,500	$ 28,537	$ 38,557	$ 97,691
Other revenue	29	135	99	215
Total net revenue	12,529	28,672	38,656	97,906
Operating and administrative expenses:
Lease operating expense	5,319	14,332	20,094	38,394
General and administrative expense	6,572	6,304	18,498	21,852
Geological, geophysical and engineering expense	857	7,061	1,961	35,801
Depreciation, depletion and amortization expense	7,246	11,204	22,105	34,358
Standby costs	705	1,490	4,073	4,089
Other operating expense	2,683	1,510	2,683	2,266
Total operating and administrative expenses	23,382	41,901	69,414	136,760
Operating loss	(10,853)	(13,229)	(30,758)	(38,854)
Other income (expense):
Income (loss) from investment in Ecuador property, net	(8)	203	161	109
Interest expense, net	(3,559)	(2,302)	(12,137)	(12,592)
Loss on extinguishment of debt	(3,436)		(7,222)	(7,318)
Gain (loss) on derivatives	(457)	(4,330)	272	(2,291)
Interest income	128	12	175	22
Other expense	(2,907)	(109)	(4,054)	(354)
Total other expense, net	(10,239)	(6,526)	(22,805)	(22,424)
Loss before income taxes	(21,092)	(19,755)	(53,563)	(61,278)
Income tax benefit	(5,771)	(2,614)	(5,818)	(8,346)
Net loss	$ (15,321)	$ (17,141)	$ (47,745)	$ (52,932)
Basic net loss per share (in Dollars per share)	$ (0.13)	$ (0.15)	$ (0.41)	$ (0.46)
Diluted net loss per share (in Dollars per share)	$ (0.13)	$ (0.15)	$ (0.41)	$ (0.46)
Basic weighted average common shares outstanding (in Shares)	116,009	115,694	115,911	115,594
Diluted weighted average common shares outstanding (in Shares)	116,009	115,694	115,911	115,594