Property and Equipment, Net

12 Months Ended

Dec. 31, 2020

Property Plant And Equipment [Abstract]

Note 5. Property and Equipment, Net

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

	As of December 31,
	2020			2019
Laboratory equipment	$	2,951		$	2,443
Software and computer equipment		591			502
Machinery and equipment		2,046			989
Furniture and fixtures		181			90
Vehicles		428			395
Leasehold improvements		2,229			2,023
Property and equipment, gross		8,426			6,442
Less accumulated depreciation and amortization		(4,887	)		(4,643	)
Property and equipment, net	$	3,539		$	1,799

Depreciation expense was $632,000 and $194,000 for the years ended December 31, 2020 and 2019, respectively.

As of December 31, 2020 and 2019, respectively, there was $239,000 and $1,014,000 of construction in progress included in property and equipment that had not been placed into service and was not subject to depreciation.