Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 40,753	$ 32,499
Short-term investments	195,657	283,725
Other receivables	1,853	1,326
Inventory	7,436	4,491
Prepaid expenses and other current assets	3,248	3,082
Total current assets	253,323	330,513
Long-term investments	63,103	56,858
Operating lease right-of-use assets	22,791	25,177
Property and equipment, net	18,575	22,193
Restricted cash	524	524
Other assets	8,281	1,004
Total assets	366,597	436,269
Current liabilities:
Accounts payable	4,621	1,370
Accrued expenses	7,937	9,212
Deferred revenue	408	206
Operating lease liabilities, current	2,312	2,295
Other current liabilities	50	139
Total current liabilities	15,328	13,222
Operating lease liabilities, net of current portion	23,652	25,964
Other noncurrent liabilities	48	179
Total liabilities	39,028	39,365
Commitments and contingencies (Note 10)
Stockholders’ equity:
Preferred stock, $0.00001 par value; 5,000,000 shares authorized as of December 31, 2024 and 2023; zero shares issued and outstanding as of December 31, 2024 and 2023	0	0
Additional paid-in capital	719,804	702,868
Accumulated other comprehensive gain (loss)	136	(192)
Accumulated deficit	(392,372)	(305,773)
Total stockholders’ equity	327,569	396,904
Total liabilities and stockholders’ equity	366,597	436,269
Class A common stock
Stockholders’ equity:
Common stock	1	1
Class B common stock
Stockholders’ equity:
Common stock	0	0
Nonrelated Party
Current assets:
Accounts receivable, net	3,997	4,831
Related Party
Current assets:
Accounts receivable, net	$ 379	$ 559