Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
CURRENT ASSETS:
Cash and cash equivalents	$ 51,149	$ 5,052
Short term investments	496	0
Digital assets	421	254
Accounts receivable	5,501	390
Prepaid expenses	5,042	155
Emissions and carbon offset credits	1,816	1,923
Total current assets	64,425	7,774
LONG-TERM ASSETS:
Property and equipment, net	121,532	56,645
Right-of-use assets, net	1,369	0
Intangible assets	22,493	0
Goodwill	46,349	0
Other long-term assets	2,143	148
Total assets	258,311	64,567
CURRENT LIABILITIES:
Accounts payable	3,368	1,745
Accrued emissions expense	1,674	2,082
Accrued expenses	9,566	946
Accrued interest expense —related party	0	20
Note payable, current portion	17,994	3,273
Notes payable—related party	0	3,573
Lease obligation, current portion	852	0
Total current liabilities	33,454	11,639
LONG-TERM LIABILITIES:
Deferred tax liability	3,959
Notes payable, net of current portion	7,369	1,364
Lease obligation, net of current portion	111	0
Asset retirement obligations	2,380	2,277
Environmental trust liability	4,994	4,927
Other long-term liabilities	242	0
Total liabilities	52,509	20,207
COMMITMENTS AND CONTINGENCIES (NOTE 11)
STOCKHOLDERS' EQUITY:
Preferred stock
Common stock	4	0
Additional paid-in capital	233,813	0
Members' capital		69,276
Accumulated deficit	(28,015)	(24,916)
Total stockholders' equity	205,802	44,360
Total liabilities and stockholders' equity	$ 258,311	$ 64,567