Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash	$ 108,363	$ 171,089
Accounts receivable	10,937	13,291
Inventories, net	5,211	2,641
Deferred fulfillment costs (see Note 8 for related party transactions)	16,528	7,689
Prepaid expenses	3,161	5,138
Other current assets	2,840	5,078
Total current assets	147,040	204,926
Property and equipment - net	9,857	10,874
Operating lease right of use assets	7,933	0
Restricted cash	754	862
Other non-current assets	830	22
Total assets	166,414	216,684
Current liabilities:
Accounts payable	7,833	6,766
Accrued expenses	11,791	15,659
Contract liabilities	25,707	19,216
Other current liabilities	973	146
Total current liabilities	46,304	41,787
Share-based compensation liability	2,655	15,435
Warrant liabilities	3,539	13,277
Operating lease liabilities, noncurrent	9,130	0
Other non-current liabilities	0	1,954
Total liabilities	61,628	72,453
Stockholders' equity (deficit):
Common stock - Class A shares, $0.0001 par value; 385,000,000 shares authorized as of June 30, 2022 and December 31, 2021, 228,047,915 and 225,428,187 shares issued and outstanding as of June 30, 2022 and December 31, 2021, respectively; Class C shares, par value $0.0001, 5,750,000 shares issued and outstanding as of June 30, 2022 and December 31, 2021	24	24
Additional paid-in capital	462,436	449,307
Accumulated deficit	(357,634)	(305,084)
Accumulated other comprehensive (loss)	(40)	(16)
Total stockholders' equity	104,786	144,231
Total liabilities, mezzanine equity, and stockholders' equity	$ 166,414	$ 216,684