CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Current assets
Cash and cash equivalents	$ 34,061	$ 56,307
Marketable securities	20,279	46,613
Accounts receivable net of allowance for credit losses of $520 and $1,230, respectively	15,534	19,179
Other receivables	2,456	2,526
Inventory	635	866
Prepaid expenses and other current assets	2,045	2,401
Land held for sale	9,125	11,282
Total current assets	84,135	139,174
Property, plant, and equipment, net	225,744	203,919
Operating lease right-of-use asset	3,270	3,735
Intangible assets, net	51	73
Deferred tax assets	410	621
Other long-term assets	13,735	30,505
Total assets	327,345	378,027
Current liabilities
Accounts payable	1,922	2,921
Accrued expenses	8,917	2,779
Operating lease liabilities, current	331	323
Notes payable, short-term	1,730	3,772
Other liabilities, current	387	2,754
Total current liabilities	13,287	12,549
Earnout liability	24	2,486
Canadian Government Research and Development Program liability	14,876	14,399
Common stock warrants liability	518	4,566
Notes payable, long-term	0	1,730
Operating lease liabilities	3,612	3,858
Other liabilities, long-term	41	74
Total liabilities	32,358	39,662
Commitments and contingencies (See Note 16)
STOCKHOLDERS’ EQUITY
Preferred stock, $0.0001 par value, 10,000,000 shares authorized; no shares issued and outstanding as of September 30, 2025 and December 31, 2024	0	0
Common stock, $0.0001 par value, 1,000,000,000 shares authorized; 150,533,064 and 148,574,227, issued and outstanding as of September 30, 2025 and December 31, 2024, respectively (including 1,500,000 and 3,000,000, respectively, of Sponsor Vesting Shares)	15	15
Additional paid-in capital	400,253	393,186
Accumulated deficit	(93,697)	(38,127)
Accumulated other comprehensive loss	(11,584)	(16,709)
Total stockholders’ equity	294,987	338,365
Total liabilities and stockholders’ equity	$ 327,345	$ 378,027