Property and Equipment, Net (Tables)

6 Months Ended

Jun. 30, 2023

Property, Plant and Equipment [Abstract]

Property and Equipment, Net

Property and equipment, net, consisted of the following:

	Estimated	June 30,			December 31,
	Useful Life	2023			2022
Lab and test equipment	7 years	$	24,096		$	21,171
Vehicles	5 years		5,842			5,732
Equipment	3-7 years		48,059			40,940
Furniture and fixtures	7 years		3,206			2,841
Leasehold improvements	7 years		9,425			8,576
Aircraft	10-20 years		12,212			931
Building	39 years		6,112			2,975
			108,952			83,166
Land			725			725
Construction in progress			2,566			3,150
Less accumulated depreciation			(55,137	)		(50,996	)
Total property and equipment—    net		$	57,106		$	36,045