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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Cash flows from operating activities:    
Net loss $ (381) $ (2,209)
(Gain) from discontinued operations (64) (129)
Loss from continuing operations (445) (2,338)
Adjustments to reconcile net loss to net cash provided by operations    
Depreciation, depletion & amortization 3,798 2,937
Change in fair value of commodity price risk management activities, net 59 1,241
Accretion of discount on treasury investment 0 (15)
Gain on sale of marketable securities (47) 0
Equity loss from Standard Steam 60 64
Net change in deferred income taxes (455) (2,452)
(Gain) on sale of assets (10) 0
Noncash compensation 50 376
Noncash services 23 (30)
Net changes in assets and liabilities (2,269) 1,626
Net cash provided by operating activities 764 1,409
Cash flows from investing activities:    
Net redemption of treasury investments 0 11,009
Acquisition & development of oil & gas properties (12,047) (13,584)
Acquisition of property and equipment (3) (16)
Proceeds from sale of oil and gas properties 18,119 0
Proceeds from sale of marketable securities 62 0
Proceeds from sale of property and equipment 22 0
Net change in restricted investments (84) (33)
Net cash (used in) provided by investing activities: 6,069 (2,624)
Cash flows from financing activities:    
Issuance of common stock 50 (186)
Tax benefit from the exercise of stock options 0 3,000
Repayments of debt (12,065) 0
Net cash (used in) provided by financing activities (12,015) 2,814
Net cash provided by operating activities of discontinued operations 92 66
Net cash used in investing activities of discontinued operations 0 (1)
Net (decrease) increase in cash and cash equivalents (5,090) 1,664
Cash and cash equivalents at beginning of period 12,874 5,812
Cash and cash equivalents at end of period 7,784 7,476
Supplemental disclosures:    
Income tax paid 0 0
Interest paid 64 5
Non-cash investing and financing activities:    
Unrealized gain 96 633
Acquisition and development of oil and gas properties through accounts payable 1,581 4,088
Acquisition and development of oil and gas through asset retirement obligations $ 45 $ 4