Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Current Assets:
Cash and cash equivalents	$ 3,836	$ 5,570
Loan receivable	1,283
Short-term available-for-sale investments	222
Prepaid and other current assets	898	$ 863
Total Current Assets	6,239	6,433
Property, plant and equipment, at cost:
Property, plant and equipment	100,239	98,454
Less accumulated depreciation, depletion and impairment	(65,617)	(65,724)
Net property, plant and equipment	34,622	32,730
Restricted cash	3,941	3,941
Total Assets	44,802	43,104
Current Liabilities:
Accounts payable	1,928	796
Accrued liabilities	1,900	1,680
Current portion of asset retirement obligations	118	196
Total Current Liabilities	3,946	2,672
Asset retirement obligations, net of current portion	4,286	4,000
Convertible loan net of discount - related party	5,699	4,345
Other long-term liabilities and deferred credits	950	950
Total Liabilities	$ 14,881	$ 11,967
Commitments and Contingencies
Stockholders' Equity:
Common stock, 200,000,000 shares authorized, $.001 par value; Issued shares - 30,110,340 and 25,288,113, respectively Outstanding shares - 30,014,022 and 25,192,669, respectively	$ 30	$ 25
Paid-in capital	240,381	$ 233,524
Accumulated other comprehensive income	(70)
Accumulated deficit	(210,162)	$ (202,154)
Less: Treasury stock (95,444 and 95,444 shares, respectively), at cost	(258)	(258)
Total Stockholders' Equity	29,921	31,137
Total Liabilities and Stockholders' Equity	$ 44,802	$ 43,104