Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 186,556	$ 92,752
Short-term investments	152,156	83,348
Accounts receivable, net	44,950	42,351
Inventories , net	23,828	21,053
Prepaid expenses and other current assets	5,849	5,694
Total current assets	413,339	245,198
Property and equipment, net	18,153	16,471
Operating lease right-of-use assets	46,401	44,909
Deposits and other assets	6,216	981
Long-term investments	0	3,983
Total assets	484,109	311,542
Current liabilities
Accounts payable	6,066	6,541
Payroll-related accruals	19,729	24,433
Accrued expenses and other current liabilities	9,155	10,737
Operating lease liabilities, current portion	630	802
Total current liabilities	35,580	42,513
Operating lease liabilities, noncurrent portion	28,301	28,404
Other long-term liability	1,416	1,416
Total liabilities	65,297	72,333
Commitments and contingencies (Note 7)
Stockholders' equity
Preferred stock, $0.001 par value, 10,000,000 shares authorized, no shares issued and outstanding as of March 31, 2022 and December 31, 2021	0	0
Common stock, $0.001 par value, 300,000,000 shares authorized as of March 31, 2022 and December 31, 2021; 53,022,905 and 50,313,452 shares issued and outstanding as of March 31, 2022 and December 31, 2021, respectively	53	50
Additional paid in capital	440,238	257,144
Accumulated other comprehensive loss	(767)	(402)
Accumulated deficit	(20,712)	(17,583)
Total stockholders' equity	418,812	239,209
Total liabilities and stockholders' equity	$ 484,109	$ 311,542