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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Cash flows from operating activities:    
Net loss $ (1,371) $ (2,284)
Loss (Income) from discontinued operations 1,171 (252)
Income (loss) from continuing operations 200 2,536
Adjustments to reconcile net loss to net cash provided by operations    
Depreciation, depletion & amortization 7,980 6,206
Change in fair value of commodity price risk management activities, net (1,711) (897)
Accretion of discount on treasury investment 0 (21)
Impairment of Oil and Gas Properties 523 0
Gain on sale of marketable securities (54) (9)
Equity loss from Standard Steam 151 129
Net change in deferred income taxes (80) (1,725)
(Gain) on sale of assets (10) (137)
Noncash compensation 97 758
Noncash services 32 (16)
Net changes in assets and liabilities 287 292
Net cash provided by operating activities 7,015 2,044
Cash flows from investing activities:    
Net redemption of treasury investments 0 16,758
Acquisition & development of oil & gas properties (30,530) (29,780)
Acquisition & development of mining properties 0 (48)
Acquisition of property and equipment (102) (44)
Proceeds from sale of oil and gas properties 21,475 0
Proceeds from sale of marketable securities 72 11
Proceeds from sale of property and equipment 22 147
Net change in restricted investments (53) (206)
Net cash (used in) investing activities: (9,116) (13,162)
Cash flows from financing activities:    
Issuance of common stock 55 (186)
Proceeds from new debt 5,000 13,069
Repayments of debt (12,135) (61)
Net cash (used in) provided by financing activities (7,080) 12,822
Net cash provided by operating activities of discontinued operations 189 241
Net cash used in investing activities of discontinued operations 0 (6)
Net (decrease) increase in cash and cash equivalents (8,992) 1,939
Cash and cash equivalents at beginning of period 12,874 5,812
Cash and cash equivalents at end of period 3,882 7,751
Supplemental disclosures:    
Income tax paid 0 0
Interest paid 63 90
Non-cash investing and financing activities:    
Unrealized gain 141 367
Acquisition and development of oil and gas properties through accounts payable 6,296 5,687
Acquisition and development of oil and gas through asset retirement obligations 92 134
Amounts receivable from the release of funds held in escrow $ 0 $ 354