Property and Equipment, Net (Tables)

9 Months Ended

Sep. 30, 2023

Property, Plant and Equipment [Abstract]

Property and Equipment, Net

Property and equipment, net, consisted of the following:

	Estimated	September 30,			December 31,
	Useful Life	2023			2022
Lab and test equipment	7 years	$	24,177		$	21,171
Vehicles	5 years		5,900			5,732
Equipment	3-7 years		49,115			40,940
Furniture and fixtures	7 years		3,233			2,841
Leasehold improvements	7 years		10,124			8,576
Aircraft	10-20 years		12,312			931
Building	39 years		5,748			2,975
			110,609			83,166
Land			1,089			725
Construction in progress			3,895			3,150
Less accumulated depreciation			(57,626	)		(50,996	)
Total property and equipment—    net		$	57,967		$	36,045