Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 79,724	$ 92,752
Short-term investments in debt securities	250,772	83,348
Accounts receivable, net	49,171	42,351
Inventories , net	26,674	21,053
Prepaid expenses and other current assets	4,997	5,694
Total current assets	411,338	245,198
Property and equipment, net	20,076	16,471
Operating lease right-of-use assets	46,653	44,909
Deposits and other assets	6,195	981
Long-term investments in debt securities	0	3,983
Total assets	484,262	311,542
Current liabilities
Accounts payable	4,748	6,541
Payroll-related accruals	27,695	24,433
Accrued expenses and other current liabilities	8,076	10,737
Operating lease liabilities, current portion	465	802
Total current liabilities	40,984	42,513
Operating lease liabilities, noncurrent portion	28,196	28,404
Other long-term liability	1,304	1,416
Total liabilities	70,484	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 June 30, 2022 and December 31, 2021	0	0
Common stock, $0.001 par value, 300,000,000 shares authorized as of June 30, 2022 and December 31, 2021; 53,305,825 and 50,313,452 shares issued and outstanding as of June 30, 2022 and December 31, 2021, respectively	53	50
Additional paid in capital	445,807	257,144
Accumulated other comprehensive loss	(1,183)	(402)
Accumulated deficit	(30,899)	(17,583)
Total stockholders' equity	413,778	239,209
Total liabilities and stockholders' equity	$ 484,262	$ 311,542