Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 2,573	$ 3,009
Restricted cash	4,143	3,417
Accounts receivable	20,692	29,889
Inventory	23,749	49,796
Parts and supplies	37,012	28,295
Contract asset - coal purchase agreement	0	19,567
Prepaid expenses	4,158	4,546
Total current assets	92,327	138,519
Property, plant and equipment:
Land and mineral rights	115,486	115,595
Buildings and equipment	572,885	534,129
Mine development	153,240	140,108
Total property, plant and equipment	841,611	789,832
Less - accumulated depreciation, depletion and amortization	(358,944)	(309,370)
Total property, plant and equipment, net	482,667	480,462
Investment in Sunrise Energy	3,038	3,988
Other assets	7,154	7,585
Total Assets	585,186	630,554
Current liabilities:
Current portion of bank debt, net	21,188	33,031
Accounts payable and accrued liabilities	76,602	82,972
Deferred revenue	25,712	35,485
Contract liability - power purchase agreement and capacity payment reduction	48,087	88,114
Total current liabilities	171,589	239,602
Long-term liabilities:
Long-term bank debt, excluding current maturities, net	36,482	49,713
Convertible note payable	10,000	10,000
Convertible notes payable - related party	9,000	9,000
Deferred income taxes	12,244	4,606
Asset retirement obligations	16,348	17,254
Contract liability - power purchase agreement	55,439	84,096
Other	2,395	1,259
Total long-term liabilities	141,908	175,928
Total liabilities	313,497	415,530
Commitments and contingencies
Stockholders' equity:
Preferred stock, $.10 par value, 10,000 shares authorized; none issued and outstanding	0	0
Common stock, $.01 par value, 100,000 shares authorized; 33,142 and 32,983 issued and outstanding, as of September 30, 2023 and December 31, 2022, respectively	332	330
Additional paid-in capital	120,410	118,788
Retained earnings	150,947	95,906
Total stockholders’ equity	271,689	215,024
Total liabilities and stockholders’ equity	$ 585,186	$ 630,554