CONSOLIDATED BALANCE SHEETS (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Current Assets
Cash and cash equivalents	$ 8,931	$ 11,092
Accounts receivable - trade	13,467	12,512
Restricted investments in U.S. Treasury Bonds-available for sale, at fair value	114	110
Other current assets	1,447	1,040
Total current assets	23,959	24,754
Other Assets
Oil and gas properties-at cost, based on full cost method of accounting, net of accumulated depreciation, depletion and amortization (includes unproved properties excluded from amortization of $24,876 and $25,732 as of June 30, 2011 and December 31, 2010)	235,443	231,746
Property and equipment-at cost, net	15,210	10,817
Restricted investments in U.S. Treasury Bonds-available for sale, at fair value	1,027	987
Derivative financial instruments	243	392
Other assets	3,798	3,900
Total other assets	255,721	247,842
Total Assets	279,680	272,596
Current Liabilities
Current maturities of debentures and other long-term liabilities	2,093	3,631
Accounts payable and accruals	26,913	24,414
Derivative financial instruments	6,073	9,625
Total current liabilities	35,079	37,670
Long-Term Liabilities
Debentures, less current portion	1,486	1,486
Other long-term liabilities, less current portion	13,035	12,663
Derivative financial instruments	644	603
Line of credit	69,500	69,500
Total noncurrent Liabilities	84,665	84,252
Commitments and Contingencies
Stockholders' Equity
8% convertible preferred stock, par value $.0001; authorized 10,000,000 shares, issued and outstanding, 10,703 shares and 10,703 in 2011 and 2010, respectively (aggregate liquidation preference $128 in 2011 and $128 in 2010)	128	128
Common stock - $.0001 par value; authorized, 100,000,000 shares; issued 71,475,044 shares in 2011 and 71,338,149 shares in 2010	7	7
Additional paid-in-capital	464,124	463,326
Accumulated deficit	(303,763)	(312,217)
Accumulated other comprehensive income, net of applicable income taxes of $110 in 2011 and $103 in 2010	168	158
Total Stockholders' equity excluding common stock in Treasury	160,664	151,402
Less common stock in Treasury-at cost; 632,250 shares in 2011 and 2010	728	728
Total stockholders' equity	159,936	150,674
Total Liabilities and Stockholders' Equity	$ 279,680	$ 272,596