Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 304,321	$ 177,980
Trade accounts receivable, net of allowance for doubtful accounts of $94 and $176	1,047	1,420
Inventories	1,702	1,686
Prepaid expenses and other current assets	3,795	3,954
Total current assets	310,865	185,040
Property and equipment, net	3,999	4,133
Operating lease right-of-use assets	7,084	7,261
Intangible assets, net	531	490
Other non-current assets, net	3,121	2,929
Total assets	325,600	199,853
Current liabilities:
Trade accounts payable	1,021	815
Accrued expenses and other current liabilities	6,556	8,784
Current portion of operating lease liabilities	1,525	1,512
Loans payable, net, current	348	348
Deferred revenue, current	5,549	18,686
Total current liabilities	14,999	30,145
Warrant liabilities	65,932	69,875
Operating lease liabilities, net of current portion	6,213	6,389
Loans payable, net, non-current	30,367	30,128
Deferred revenue, non-current	700	670
Total liabilities	118,211	137,207
Commitments and contingencies (Note 9)
Stockholders' equity:
Common stock, par value $0.0001 per share; 675,000,000 shares authorized at both March 31, 2025 and December 31, 2024; 291,351,403 shares and 266,595,867 shares issued and outstanding as of March 31, 2025 and December 31, 2024, respectively.	29	27
Additional paid-in capital	849,733	700,069
Accumulated deficit	(632,361)	(626,940)
Accumulated other comprehensive loss	(10,012)	(10,510)
Total stockholders' equity	207,389	62,646
Total liabilities and stockholders’ equity	$ 325,600	$ 199,853