Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities:
Net income (loss)	$ 1,464	$ (16,816)
Items not involving cash:
Depreciation, depletion and amortization	1,302	1,861
Accretion of asset retirement obligations	68	52
Impairment of oil and gas properties		15,407
Unrealized derivative (gain) loss	(172)	177
Stock-based compensation expense	316	216
Equity investment loss (income)	79	(27)
Net change in:
Accounts receivable	(1,190)	608
Prepaid expenses, deposits and other current assets	(48)	(38)
Accounts payable, accrued liabilities and firm transportation contracts	(207)	(1,721)
Due from related parties	446	(392)
Net cash provided by (used in) operating activities	2,058	(673)
Cash flows from investing activities:
Development and acquisition of properties and equipment	(3,386)	(3,540)
Equity method distributions (investment)	125	(87)
Other long-term assets	10	126
Net cash used in investing activities	(3,251)	(3,501)
Cash flows from financing activities:
Purchase of common stock	(92)
Proceeds from notes payable	1,500	5,030
Distributions to non-controlling interests	(1)	(35)
Other		(10)
Net cash provided by financing activities	1,407	4,985
Net increase in cash and cash equivalents	214	811
Cash and cash equivalents, beginning of period	328	473
Cash and cash equivalents, end of period	$ 542	$ 1,284