CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current Assets
Cash and cash equivalents	$ 2,330	$ 1,870
Prepaid and other current assets	639	491
Total Current Assets	2,969	2,361
Property, plant and equipment, at cost:
Property, plant and equipment	91,633	91,746
Less accumulated depreciation and depletion	(71,219)	(71,409)
Net property, plant and equipment	20,414	20,337
Operating lease right-of-use assets	424	484
Restricted cash	3,807	3,797
Total Assets	27,614	26,979
Current Liabilities:
Accounts payable	1,141	852
Accrued liabilities	1,308	1,770
Asset retirement obligations - current	949	894
Operating lease liability - current	154	153
Notes payable - current	146
Total Current Liabilities	3,698	3,669
Asset retirement obligations, net of current	5,322	5,406
Other long-term liabilities	500	500
Operating lease liability, net of current	280	340
Notes payable, net of current	185
Total Liabilities	9,985	9,915
Commitments and Contingencies
Stockholders’ Equity:
Common stock, 100,000,000 shares authorized, $.001 par value; Issued shares – 6,664,976 and 3,339,541 respectively Outstanding shares - 6,664,815 and 3,339,380 respectively	7	3
Paid-in capital	326,073	319,758
Retained Earnings	(308,193)	(302,439)
Less: Treasury stock (161 and 161 shares, respectively), at cost	(258)	(258)
Total Stockholders’ Equity	17,629	17,064
Total Liabilities and Stockholders’ Equity	$ 27,614	$ 26,979