CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 160,783	$ 182,644
Restricted cash, current	977	977
Accounts receivable, net	9,881	10,723
Inventory	11,619	7,448
Prepaid expenses and other current assets	3,006	5,566
Total current assets	186,266	207,358
Property and equipment, net	8,968	10,054
Operating lease, right-of-use assets	14,582	15,156
Goodwill	51,076	51,076
Intangible assets, net	21,530	22,652
Restricted cash, non-current	1,035	1,035
Other non-current assets	452	371
Total assets	283,909	307,702
Current liabilities:
Accounts payable	9,469	4,863
Accrued and other current liabilities	11,789	14,173
Operating lease liability, current portion	2,888	3,067
Total current liabilities	24,146	22,103
Operating lease liability, long-term portion	15,685	16,208
Warrant liabilities (At March 31, 2022 and December 31, 2021 related party $2,058 and $2,669, respectively)	5,881	7,626
Other non-current liabilities	1,018	1,065
Total liabilities	46,730	47,002
Commitments and contingencies (Note 7)
Redeemable convertible preferred stock, $0.0001 par value per share; 100,000,000 shares authorized at March 31, 2022 and December 31, 2021; Nil shares issued and outstanding at March 31, 2022 and December 31, 2021, respectively (aggregate liquidation preference of nil at March 31, 2022 and December 31, 2021, respectively)	0	0
Stockholders’ equity:
Common stock, $0.0001 par value; 1,000,000,000 shares authorized at March 31, 2022 and December 31, 2021, respectively; 173,602,503 and 172,200,417 shares issued and outstanding at March 31, 2022 and December 31, 2021, respectively	17	17
Additional paid-in capital	572,933	564,045
Accumulated deficit	(335,753)	(303,356)
Accumulated other comprehensive loss	(18)	(6)
Total stockholders’ equity	237,179	260,700
Total liabilities, redeemable convertible preferred stock, and stockholders’ equity	$ 283,909	$ 307,702