PROPERTY AND EQUIPMENT

6 Months Ended

Jun. 30, 2022

Property, Plant and Equipment [Abstract]

Property and equipment consisted of the following:


	Useful Life	June 30, 2022		December 31, 2021
Machinery and equipment	5 - 10 years	$	61,109	$	59,437
Furniture and fixtures	3 - 5 years	987		955
Computer equipment	3 - 5 years	927		925
Leasehold improvements	Shorter of lease term or estimated useful life	11,687		11,358
Vehicles	5 years	264		264
Software	1 - 3 years	2,889		2,889
Construction in progress		2,453		985
Total		80,316		76,813
Less: Accumulated depreciation and amortization		(59,202)		(54,636)
Property and equipment, net		$	21,114	$	22,177

Depreciation and amortization expense on property and equipment was $2,218 and $2,588 for the three months ended June 30, 2022 and 2021, respectively. Depreciation and amortization expense on property and equipment was $4,567 and $5,173 for the six months ended June 30, 2022 and 2021, respectively.