CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Assets
Cash and cash equivalents	$ 28,864	$ 38,547
Marketable securities	83,143	182,481
Accounts receivable	1,187	628
Inventories	2,345	2,374
Other current assets	7,761	5,195
Total current assets	123,300	229,225
Operating lease right-of-use assets	3,826	7,289
Property, plant, and equipment, net	10,332	12,114
Intangible assets, net	1,725	2,625
Other noncurrent assets	8,306	6,132
Total assets	147,489	257,385
Liabilities and stockholders' equity
Accounts payable	5,453	3,602
Accrued liabilities	5,710	2,648
Accrued employee costs	5,783	6,043
Lease liability, current portion	3,039	3,587
Other current liabilities	19,174	2,524
Total current liabilities	39,159	18,404
Lease liability, noncurrent portion	720	3,767
Warrant liability	8,258	6,772
Total liabilities	48,137	28,943
Commitments and contingencies (Note 15)
Convertible preferred stock $0.0001 par value, 10,000 shares authorized; no shares issued and outstanding as of December 31, 2024 and December 31, 2023	0	0
Stockholders' Equity
Common stock $0.0001 par value; 422,000 shares authorized; 54,140 and 52,389 shares issued and outstanding at December 31, 2024 and December 31, 2023, respectively	6	5
Additional paid-in capital	711,160	688,124
Accumulated other comprehensive income (loss)	47	(87)
Accumulated deficit	(611,861)	(459,600)
Total stockholders' equity	99,352	228,442	$ 329,926
Total liabilities and stockholders' equity	$ 147,489	$ 257,385