Consolidated Balance Sheet Detail - Schedule of Inventories/Prepaid/PP&E (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Inventories:
Raw materials	$ 879	$ 48
Work-in-process	2,170	885
Finished goods	775	341
Total	3,824	1,274
Prepaid expenses and other:
Prepaid inventory and production costs	671	329
Prepaid insurance	44	13
Prepaid software	277	508
Prepaid legal	34	113
Other	133
Total	1,159	963
Property and equipment, net:
Equipment, furniture and fixtures and leasehold improvements	11,821	11,077
Less: Accumulated depreciation and amortization	(9,472)	(8,456)
Property and equipment, net	$ 2,349	$ 2,621

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