Property and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2022

Property, Plant and Equipment [Abstract]

Property and Equipment, Net

Property and equipment, net, as of December 31, consisted of the following:

	Estimated Useful Life	2022			2021
Lab and test equipment	7 years	$	21,171		$	18,581
Vehicles	5 years		5,732			5,414
Equipment	3-7 years		40,940			35,148
Furniture and fixtures	7 years		2,841			2,844
Leasehold improvements	7 years		8,576			7,268
Aircraft	10 years		931			931
Building	39 years		2,975			2,975
			83,166			73,161
Land			725			725
Construction in progress			3,150			2,342
Less accumulated depreciation			(50,996	)		(44,707	)
Total property and equipment—net		$	36,045		$	31,521