Property and Equipment, Net (Tables)

3 Months Ended

Mar. 31, 2024

Property, Plant and Equipment [Abstract]

Property and Equipment, Net

Property and equipment, net, consisted of the following:

	Estimated	March 31,			December 31,
	Useful Life	2024			2023
Lab and test equipment	7 years	$	20,823		$	20,341
Vehicles	5 years		6,063			6,033
Equipment	3-7 years		52,324			50,387
Furniture and fixtures	7 years		2,961			2,963
Leasehold improvements	7 years		11,845			10,808
Aircraft	10-20 years		12,312			12,312
Building	39 years		5,748			5,748
			112,076			108,592
Land			1,089			1,089
Construction in progress			6,147			3,956
Less accumulated depreciation			(59,567	)		(56,812	)
Total property and equipment, net		$	59,745		$	56,825