CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net loss	$ (80,278)	$ (3,632)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	2,190	915
Non-cash interest expense on convertible debt	0	389
Stock-based compensation expense	18,015	28,035
Change in fair value of warrant liabilities	(17,968)	(87,570)
Other	137	498
Changes in operating assets and liabilities:
Accounts receivable	(909)	(1,979)
Inventories	(29,344)	(21,113)
Prepaid expenses and other assets	(3,493)	(6,352)
Vendor advances	11,330	(3,519)
Accounts payable	(2,437)	(11,088)
Deferred revenue	3,979	4,501
Change in operating lease assets and liabilities	1,118	(722)
Accrued expenses and other liabilities	(569)	1,708
Net cash used in operating activities	(98,229)	(99,929)
Cash flows from investing activities:
Purchases of marketable securities	0	(692,514)
Sales of marketable securities	0	202,000
Purchases of property and equipment, including capitalized software	(11,578)	(1,829)
Net cash used in investing activities	(11,578)	(492,343)
Cash flows from financing activities:
Proceeds from exercise of stock options and warrants	810	11,686
Net proceeds from equity infusion from the Business Combination	0	548,403
Payment of loan payable	0	(4,366)
Other financing activities	(101)	(52)
Net cash provided by financing activities	709	555,671
Net (decrease) increase in cash, cash equivalents and restricted cash	(109,098)	(36,601)
Cash, cash equivalents and restricted cash, beginning of period	426,841	60,206
Cash, cash equivalents and restricted cash, end of period	$ 317,743	$ 23,605