CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
CURRENT ASSETS:
Cash and cash equivalents, including restricted cash	$ 8,619	$ 13,312
Digital assets	6,950
Digital assets		347
Accounts receivable	1,493	358
Prepaid expenses and current other assets	2,617	3,864
Emissions and carbon offset credits	7,124	5,694
Income tax receivable	0	857
Total current assets	26,803	24,432
LONG-TERM ASSETS:
Property and equipment, net	30,299	45,095
Other long-term assets	569	1,652
Long-term assets held for sale	7,184	0
Total assets	64,855	71,179
CURRENT LIABILITIES:
Accounts payable	3,850	3,495
Accrued emissions expense	8,668	10,520
Accrued expenses	4,232	6,116
Short-term environmental liability	250	363
Contract liability	2,339	0
Current liabilities held for sale	0	483
Total current liabilities	19,339	20,977
LONG-TERM LIABILITIES:
Long-term debt, net of deferred financing fees	68,068	68,710
Environmental liabilities	30,432	29,866
Other long-term liabilities	2,770	2,650
Total liabilities	120,609	122,203
COMMITMENTS AND CONTINGENCIES (NOTE 10)
STOCKHOLDERS' DEFICIT:
Preferred stock, par value $0.0001, 20,000,000 shares authorized, none outstanding	0	0
Common stock, par value $0.0001, 500,000,000 shares authorized, 13,025,627 and 9,131,252 shares issued and outstanding as of December 31, 2024 and 2023, respectively	1	1
Cumulative translation adjustment	(348)	(345)
Additional paid-in capital	334,330	319,992
Common stock subscription receivable	0	(698)
Accumulated deficit	(389,737)	(369,974)
Total stockholders' deficit	(55,754)	(51,024)
Total liabilities and stockholders' deficit	$ 64,855	$ 71,179