CONDENSED COMBINED AND CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
CURRENT ASSETS:
Cash and cash equivalents	$ 161,580	$ 188,498
Restricted cash	1,983	2,662
Accounts receivable, less allowance of $80 and $32 as of March 31, 2022 and December 31, 2021, respectively	1,944	553
Unbilled receivables	478	91
Inventory	4,538	4,310
Prepaid expenses and other current assets	3,205	1,357
Due from related parties	1	14
Total current assets	173,729	197,485
Property and equipment, net	3,877	3,753
Other long term assets	1,222	1,235
Total assets	178,828	202,473
CURRENT LIABILITIES:
Accounts payable	1,745	2,248
Deferred grant funding	1,983	2,662
Deferred revenue	973	730
Due to related parties	97	1,981
Accrued expenses and other current liabilities	6,616	8,115
Total current liabilities	11,414	15,736
Long term deferred revenue	851	510
Total liabilities	12,265	16,246
COMMITMENTS AND CONTINGENCIES (NOTE 12)
STOCKHOLDERS' EQUITY:
Additional paid-in capital	326,651	322,540
Accumulated deficit	(160,095)	(136,320)
Total stockholders' equity	166,563	186,227
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	178,828	202,473
Class A Common Stock
STOCKHOLDERS' EQUITY:
Common stock	5	5
Class B Common Stock
STOCKHOLDERS' EQUITY:
Common stock	$ 2	$ 2