CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Cash flows from operating activities:
Net (loss)	$ (2,091)us-gaap_NetIncomeLoss	$ (7,379)us-gaap_NetIncomeLoss	$ (11,245)us-gaap_NetIncomeLoss
(Gain) loss from discontinued operations includes non-cash impairment of $-0-, $-0-, and $1,891	0	(307)	1,794
Loss from continuing operations	(2,091)	(7,686)	(9,451)
Adjustments to reconcile net loss to net cash provided by operations
Depreciation, depletion & amortization	14,956	13,898	15,457
Change in fair value of commodity price risk management activities, net	(266)us-gaap_UnrealizedGainLossOnDerivatives	737us-gaap_UnrealizedGainLossOnDerivatives	(1,070)us-gaap_UnrealizedGainLossOnDerivatives
Impairment of oil and gas properties	0us-gaap_ImpairmentOfOilAndGasProperties	5,828us-gaap_ImpairmentOfOilAndGasProperties	5,189us-gaap_ImpairmentOfOilAndGasProperties
Impairment of equity investment	0	2,160	0
Impairment of corporate aircraft	0	0	2,299
Gain on sale of marketable securities	0us-gaap_GainLossOnSaleOfSecuritiesNet	0us-gaap_GainLossOnSaleOfSecuritiesNet	(82)us-gaap_GainLossOnSaleOfSecuritiesNet
Equity loss from Standard Steam	0	104	359
Net change in deferred income taxes	0	0	(60)
(Gain) loss on sale of assets	(112)us-gaap_GainsLossesOnSalesOfAssets	(760)us-gaap_GainsLossesOnSalesOfAssets	12us-gaap_GainsLossesOnSalesOfAssets
Noncash compensation	1,024us-gaap_ShareBasedCompensation	452us-gaap_ShareBasedCompensation	518us-gaap_ShareBasedCompensation
Noncash services	88us-gaap_OtherNoncashExpense	64us-gaap_OtherNoncashExpense	69us-gaap_OtherNoncashExpense
Net changes in assets and liabilities
Accounts receivable	2,571	(1,619)	315
Income tax receivable	0	0	113
Other current assets	165	8	230
Over payments by operators	3,983	0	0
Accounts payable	909	3,617	(476)
Accrued compensation expense	(436)	172	(336)
Other liabilities	(39)	123	53
Net cash provided by operating activities	20,752	17,098	13,139
Cash flows from investing activities:
Acquisition & development of oil & gas properties	(29,831)	(20,757)	(42,311)
Acquisition of property and equipment	(1,213)	(42)	(102)
Proceeds from sale of oil and gas properties	11,515	0	21,475
Proceeds from sale of marketable securities	0	0	101
Proceeds from sale of property and equipment	109	2,628	76
Net change in restricted investments	(122)	(48)	(116)
Net cash (used in) investing activities:	(19,542)	(18,219)	(20,877)
Cash flows from financing activities:
Issuance of common stock	(55)	0	51
Proceeds from new debt	8,000us-gaap_ProceedsFromRepaymentsOfDebt	2,000us-gaap_ProceedsFromRepaymentsOfDebt	10,000us-gaap_ProceedsFromRepaymentsOfDebt
Repayments of debt	(11,000)	(12,821)	(12,484)
Net cash (used in) financing activities	(3,055)	(10,821)	(2,433)
Net cash provided by operating activities of discontinued operations	0	317	122
Net cash provided by investing activities of discontinued operations	0	14,655	0
Net cash provided by discontinued operations	0	14,972	122
Net (decrease) increase in cash and cash equivalents	(1,845)	3,030	(10,049)
Cash and cash equivalents at beginning of period	5,855	2,825	12,874
Cash and cash equivalents at end of period	4,010	5,855	2,825
Supplemental disclosures:
Income tax paid	0us-gaap_IncomeTaxesPaid	0us-gaap_IncomeTaxesPaid	0us-gaap_IncomeTaxesPaid
Interest paid	385us-gaap_InterestPaid	274us-gaap_InterestPaid	179us-gaap_InterestPaid
Non-cash investing and financing activities:
Unrealized gain on marketable securities	56	12	101
Acquisition and development of oil and gas properties through accounts payable	2,565	142	6,202
Net additions to oil and gas properties through asset retirement obligations	$ 281	$ 131	$ 142

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