PROPERTY AND EQUIPMENT - Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Property and equipment, gross	$ 86,369	$ 76,712
Less: accumulated depreciation and amortization	(46,195)	(41,417)
Total	40,174	35,295
Computer Equipment [Member]
Property and equipment, gross	11,853	11,924
Software and Software Development Costs [Member]
Property and equipment, gross	5,395	5,419
Furniture and Fixtures [Member]
Property and equipment, gross	2,484	2,506
Leasehold Improvements [Member]
Property and equipment, gross	6,467	6,272
Laboratory and Test Equipment [Member]
Property and equipment, gross	4,431	3,981
Test Equipment [Member]
Property and equipment, gross	28,403	24,452
Construction in Progress [Member]
Property and equipment, gross	$ 27,336	$ 22,158

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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