CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash flows from operating activities:
Net (loss)	$ (7,379)	$ (11,245)	$ (4,807)
(Gain) loss from discontinued operations includes non-cash impairment of $2,955, $3,063, and $1,540	(307)	1,794	2,629
Loss from continuing operations	(7,686)	(9,451)	(2,178)
Adjustments to reconcile net (loss) income to net cash provided by operations
Depreciation, depletion & amortization	13,898	15,457	14,593
Change in fair value of commodity price risk management activities, net	737	(1,070)	(1,126)
Impairment of oil and gas properties	5,828	5,189	0
Impairment of equity investment	2,160	0	0
Impairment of corporate aircraft	0	2,299	0
Gain on sale of marketable securities	0	(82)	(529)
Equity loss from Standard Steam	104	359	211
Net change in deferred income taxes	0	(60)	(3,990)
(Gain) loss on sale of assets	(760)	12	(137)
Noncash compensation	452	518	1,604
Noncash services	64	69	6
Net changes in assets and liabilities
Accounts receivable	(1,619)	315	(1,493)
Income tax receivable	0	113	(9)
Other current assets	8	230	148
Accounts payable	3,617	(476)	(3,368)
Accrued compensation expense	172	(336)	(1,194)
Other liabilities	123	53	29
Net cash provided by operating activities	17,098	13,139	2,567
Cash flows from investing activities:
Net redemption of treasury investments	0	0	17,843
Acquisition & development of oil & gas properties	(20,757)	(42,311)	(50,265)
Acquisition & development of mining properties	0	0	(221)
Mining property option payment	0	0	354
Acquisition of property and equipment	(42)	(102)	(42)
Proceeds from sale of oil and gas properties	0	21,475	13,574
Proceeds from sale of marketable securities	0	101	846
Proceeds from sale of property and equipment	2,628	76	147
Net change in restricted investments	(48)	(116)	(11)
Net cash used in investing activities:	(18,219)	(20,877)	(17,775)
Cash flows financing activities:
Issuance of common stock	0	51	(146)
Proceeds from new debt	2,000	10,000	33,069
Repayments of debt	(12,821)	(12,484)	(11,365)
Net cash (used in) provided by financing activities	(10,821)	(2,433)	21,558
Net cash provided by operating activities of discontinued operations	317	122	767
Net cash provided by (used in) investing activities of discontinued operations	14,655	0	(55)
Net cash (used in) provided by discontinued operations	14,972	122	712
Net (decrease) increase in cash and cash equivalents	3,030	(10,049)	7,062
Cash and cash equivalents at beginning of period	2,825	12,874	5,812
Cash and cash equivalents at end of period	5,855	2,825	12,874
Supplemental disclosures:
Income tax paid	0	0	0
Interest paid	274	179	290
Non-cash investing and financing activities:
Unrealized gain on marketable securities	12	101	78
Acquisition and development of oil and gas properties through accounts payable	142	6,202	2,092
Additions to oil and gas properties through asset retirement obligations	$ 131	$ 142	$ 186