Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Accounting Policies [Abstract]

Schedule of Property and Equipment, Net

Property, plant and equipment are stated at cost, less accumulated depreciation and amortization. Depreciation and amortization are computed using the straight-line method over the estimated useful lives of the respective assets as shown below.

Pilot production equipment	4 to 7 years
Lab equipment	4 years
Furniture, fixtures and other equipment	3 to 5 years
Leasehold improvements	Lesser of their useful lives or the term of the lease

Property, plant and equipment, net consisted of the following (in thousands):

	December 31,
	2022		2021
Pilot production equipment	$	4,488	$	4,041
Lab equipment	2,304		2,287
Leasehold improvements	3,525		3,439
Furniture, fixtures and other equipment	206		242
Construction in progress	957		—
Property, plant and equipment, at cost	11,480		10,009
Less: accumulated depreciation and amortization	(7,244)		(5,799)
Property, plant and equipment, net	$	4,236	$	4,210