Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities
Net loss	$ (104,682)	$ (14,714)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation	51,561	1,581
Non-cash interest expense	40,046	3,685
Change in fair value of derivative liabilities	2,337	2,317
Non-cash bonus expense	526
Depreciation and amortization	228	251
Non-cash lease expense	174	0
Paid-in-kind interest and accrued interest on repayment of 2022 Notes	(9,341)	0
Other	0	4
Changes in operating assets and liabilities:
Accounts receivable	(339)	329
Inventory	(52)	146
Prepaid expenses and other current assets	(3,199)	153
Other long-term assets	(3)	(825)
Accounts payable	327	1,104
Accrued expenses	(196)	(567)
Other current liabilities	(218)	(9)
Other long-term liabilities	85	(73)
Net cash used in operating activities	(22,746)	(6,618)
Cash flows from investing activities
Purchases of property and equipment	(202)	0
Net cash used in investing activities	(202)	0
Cash flows from financing activities
Related party proceeds from PIPE financing	36,950	0
Proceeds from Business Combination and PIPE financing	13,414	0
Payments of offering costs	(6,609)	0
Repayment of 2022 Notes	(25,813)	0
Proceeds from exercise of stock options	58	74
Proceeds from exercise of common stock warrants	29	0
Proceeds from issuance of convertible notes	0	37,186
Proceeds from issuance of convertible notes to related parties	0	11,475
Net cash provided by financing activities	18,029	48,735
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(11)	5
Net increase (decrease) in cash, cash equivalents and restricted cash	(4,930)	42,122
Cash, cash equivalents and restricted cash at beginning of period	26,176	7,668
Cash, cash equivalents and restricted cash at end of period	21,246	49,790
Supplemental disclosures of cash flow information:
Cash paid during the period for interest	9,326	0
Supplemental schedule of noncash investing and financing activities:
Conversion of redeemable convertible preferred stock to common stock	152,978	0
Conversion of 2023 Notes into equity	101,978	0
Issuance of common stock warrants	17,602	21,970
Assumption of net liabilities from Business Combination	15,955	0
Offering costs paid in common stock	9,531	0
GEMS commitment fee	2,500	0
Unpaid offering costs	1,229	0
Fair value of debt derivative liabilities related to issuance of convertible notes	0	17,540
Unpaid debt issuance costs	$ 0	$ 46