CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Mar. 31, 2023	Dec. 31, 2022
CURRENT ASSETS:
Cash and cash equivalents	$ 17,046,000	$ 15,217,000
Digital assets	19,000	348,000
Accounts receivable, net of allowance for doubtful accounts of $0 at March 31, 2023 and December 31, 2022	42,000	2,696,000
Prepaid expenses and other assets	4,846,000	6,266,000
Emissions and carbon offset credits	960,000	1,260,000
Income tax receivable	0	798,000
Current assets held for sale	1,833,000	6,473,000
Total current assets	24,746,000	33,058,000
LONG-TERM ASSETS:
Property and equipment, net	69,800,000	130,417,000
Other long-term assets	448,000	292,000
Total assets	94,994,000	163,767,000
CURRENT LIABILITIES:
Accounts payable	4,935,000	9,608,000
Accrued emissions expense	5,081,000	6,052,000
Accrued expenses	5,546,000	11,327,000
Short-term environmental liability	1,100,000	600,000
Long-term debt, current portion	5,358,000	67,161,000
Current liabilities held for sale	2,154,000	3,974,000
Total current liabilities	24,174,000	98,722,000
LONG-TERM LIABILITIES:
Long-term debt, net of current portion and deferred financing fees	85,949,000	84,585,000
Environmental liabilities	26,900,000	27,400,000
Other long-term liabilities	3,595,000	107,000
Total liabilities	140,618,000	210,814,000
COMMITMENTS AND CONTINGENCIES (NOTE 10)
STOCKHOLDERS' EQUITY:
Preferred stock, par value $0.0001, 20,000,000 shares authorized, none outstanding	0	0
Common stock, par value $0.0001, 3,000,000,000 shares authorized, 59,798,127 and 46,252,779 shares issued and outstanding as of March 31, 2023 and December 31, 2022, respectively	6,000	5,000
Additional paid-in capital	303,345,000	293,769,000
Cumulative translation adjustment	(340,000)	(357,000)
Accumulated deficit	(348,635,000)	(340,464,000)
Total stockholders' equity	(45,624,000)	(47,047,000)
Total liabilities and stockholders' equity	$ 94,994,000	$ 163,767,000