CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities:
Net (loss) income	$ (29,983)	$ 306
Adjustments to reconcile net (loss) income to net cash provided by operations
Depreciation, depletion & amortization	5,063	7,013
Change in fair value of commodity price risk management activities, net	335	411
Impairment of oil and gas properties	22,448	0
(Gain) on sale of assets	(16)	(28)
Noncash compensation	301	235
Noncash services	36	61
Accounts payable	2,023	58
Overpayment by operators	557	359
Net changes in assets and liabilities	1,354	310
Net cash provided by operating activities	2,118	8,725
Cash flows from investing activities:
Acquisition and development of oil and gas properties	(3,543)	(19,540)
Acquisition of property, plant and equipment	(4)	(1,213)
Proceeds from sale of oil and gas properties	0	11,515
Proceeds from settlement of lawsuit	1,500	0
Proceeds from sale of property and equipment	16	28
Net change in restricted investments	(30)	(61)
Net cash (used in) investing activities:	(2,061)	(9,271)
Cash flows from financing activities:
Issuance of common stock	0	(55)
Proceeds from new debt	0	8,000
Repayments of debt	0	(9,000)
Net cash (used in) financing activities	0	(1,055)
Net increase (decrease) in cash and cash equivalents	57	(1,601)
Cash and cash equivalents at beginning of period	4,010	5,855
Cash and cash equivalents at end of period	4,067	4,254
Supplemental disclosures:
Interest paid	129	245
Non-cash investing and financing activities:
Acquisition and development of oil and gas properties through accounts payable	1,325	2,375
Increase in oil and gas properties through asset retirement obligations	$ 61	$ 128