CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 22,188	$ 49,241
Marketable securities	192,023	160,362
Accounts receivable, net of allowance of $140 and $124, respectively	917	1,333
Legal settlement insurance receivable	4,638	0
Inventory	3,903	4,067
Prepaid expenses and other current assets	2,805	3,006
Total current assets	226,474	218,009
Property and equipment, net	15,340	15,993
Operating lease right-of-use assets	11,782	13,061
Other assets	810	808
Total assets	254,406	247,871
Current liabilities:
Accounts payable	2,234	1,931
Accrued payroll and payroll-related costs	3,440	5,331
Accrued contracted services	2,193	2,379
Accrued legal settlement liability	8,000	0
Accrued expenses and other current liabilities	3,780	4,848
Warrant liabilities, current	2,589	0
Current portion of operating lease liabilities	1,783	3,698
Total current liabilities	24,019	18,187
Warrant liabilities, non-current	0	4,995
Operating lease liabilities	9,359	9,250
Other long-term liabilities	45	19
Total liabilities	33,423	32,451
Commitments and contingencies (Note 17)
Stockholders’ equity:
Additional paid-in capital	865,671	811,998
Accumulated other comprehensive (loss) income	(40)	45
Accumulated deficit	(644,666)	(596,641)
Total stockholders’ equity	220,983	215,420
Total liabilities and stockholders’ equity	254,406	247,871
Class A common stock
Stockholders’ equity:
Common stock	16	16
Class B common stock
Stockholders’ equity:
Common stock	$ 2	$ 2