Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Current assets
Cash and cash equivalents	$ 56,396	$ 75,502
Marketable securities	56,996	82,761
Accounts receivable and unbilled receivable, net of allowance for credit losses of $730 and $0, respectively	17,919	16,128
Other receivables	5,183	3,449
Inventory	990	912
Prepaid expenses and other current assets	3,909	8,360
Total current assets	141,393	187,112
Property, plant, and equipment, net	222,758	243,118
Operating lease right-of-use asset	3,829	4,468
Intangible assets, net	88	121
Deferred tax assets	860	1,261
Other long-term assets	30,627	25,754
Total assets	399,555	461,834
Current liabilities
Accounts payable	1,308	1,858
Accrued expenses	3,161	7,689
Operating lease liabilities, current	305	367
Notes payable, short-term	3,772	1,730
Other liabilities, current	93	918
Derivative liability	49	300
Total current liabilities	8,688	12,862
Earnout liability	4,184	1,783
Canadian Government Research and Development Program liability	15,309	7,348
Common stock warrants liability	4,254	1,341
Notes payable, long-term	1,730	3,459
Operating lease liabilities	3,944	4,207
Other liabilities, long-term	2,590	8,327
Total liabilities	40,699	39,327
Commitments and contingencies (See Note 15)
STOCKHOLDERS’ EQUITY
Preferred stock, $0.0001 par value, 10,000,000 shares authorized; no shares issued and outstanding as of September 30, 2024 and December 31, 2023	0	0
Common stock, $0.0001 par value, 1,000,000,000 shares authorized; 145,886,615 and 145,706,531, issued and outstanding as of September 30, 2024 and December 31, 2023, respectively (including 3,000,000 and 4,500,000, respectively, of Sponsor Vesting Shares)	15	15
Additional paid-in capital	390,875	382,854
(Accumulated deficit) retained earnings	(24,605)	45,570
Accumulated other comprehensive loss	(7,429)	(5,932)
Total stockholders’ equity	358,856	422,507
Total liabilities and stockholders’ equity	$ 399,555	$ 461,834
Sponsor vesting shares issued (in shares)	3,000,000	4,500,000
Sponsor vesting shares outstanding (in shares)	3,000,000	4,500,000