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	$ (18,216)	$ (43,325)
Adjustments to reconcile net loss to net cash used in operating activities:
Amortization of intangible assets	1,133	1,133
Reduction in carrying amount of right-of-use assets	265	150
Depreciation	1,440	358
Stock-based compensation	21,965	3,094
Unrealized loss (gain) on foreign currency transactions	672	(28)
Non-cash interest (income) expense	(3)	36
Accretion on marketable securities		(1)
Change in the fair value of earnout liability	(52,681)
Change in the fair value of warrants	(6,084)	7,051
Change in the fair value of convertible promissory notes	156
Change in fair value of One S.r.l. call option	865	554
Changes in operating assets and liabilities:
Account receivables	(1,473)	640
Grants receivable	(1,078)	(675)
Prepaid expenses and other current assets	5,048	(7,685)
Inventories	(5,258)	(156)
Other assets	(536)	(3,281)
Accounts payable	11,486	(2,374)
Accrued expenses and other current liabilities	571	8,211
Operating lease liabilities	(263)	(144)
Deferred income	2,300	7,048
Other long-term liabilities	(81)	(5,975)
Net cash used in operating activities	(39,772)	(35,369)
Cash flows from investing activities:
Purchases of property and equipment	(5,067)	(10,057)
Maturities of marketable securities		24,000
Net cash (used in) provided by investing activities	(5,067)	13,943
Cash flows from financing activities:
Proceeds from Business Combination, net of transaction costs	70,478
Principal repayment of notes payable	(1,119)	(226)
Repayment of convertible promissory notes due to related party, held at fair value	(27,284)
Proceeds from issuance of promissory notes (net of issuance costs of $0 and $30, respectively)		4,540
Proceeds from the exercise of warrants	4	9
Proceeds from exercise of share-based awards	110	10
Net cash provided by financing activities	42,189	4,333
Effect of exchange rates on cash	(406)	(680)
Net decrease in cash	(3,056)	(17,773)
Cash and cash equivalents at beginning of year	28,397	48,144
Cash and cash equivalents at end of period	25,341	30,371
Noncash investing and financing activities:
Purchases of property and equipment included in accounts payable and accrued expense	1,027	1,217
Deferred financing costs included in accounts payable and accrued expense		506
Recognition of earnout liability	58,871
Recognition of private placement warrant liability	8,140
Supplemental cash flow information:
Interest paid on notes payable	$ 181	$ 158