Condensed Consolidated Statements of Cash Flow (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (23,566)	$ (44,683)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	760	546
Loss on disposal of fixed assets	12	13
Gain on change in fair value of warrants	(7,183)
Gain on foreign currency transactions	33	8
Stock-based compensation	(1,838)	24,179
Changes in operating assets and liabilities:
Accounts receivable	(1,962)	14,176
Inventories	(1,249)	(221)
Deferred fulfillment costs	(13,552)	558
Prepaid expenses and other assets	129	(2,365)
Accounts payable	348	466
Accrued expenses	(553)	(3,114)
Contract liabilities	16,417	(753)
Other liabilities	(34)	(26)
Net cash used in operating activities	(32,238)	(11,216)
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures	(46)	(1,194)
Net cash used in investing activities	(46)	(1,194)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from exercise of stock options	822	278
Net cash provided by financing activities	822	278
Effect of exchange rate on cash	(46)	(15)
Net decrease in cash, cash equivalents, and restricted cash	(31,508)	(12,147)
Cash, Cash Equivalents and Restricted Cash, Beginning Balance	171,951	94,978
Cash, Cash Equivalents and Restricted Cash, Ending Balance	140,443	82,831
NON-CASH INVESTING AND FINANCING ACTIVITIES
Right of use asset	(8,154)
Lease Liability	10,287
Net investment in lease	884
Property Plant And Equipment Included In Accounts Payable And Accrued Expenses	147	260
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]
Cash	139,581	81,710
Restricted Cash	862	1,121
Cash, cash equivalents, and restricted cash	$ 140,443	$ 82,831

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