SEGMENT INFORMATION - Operations by Business Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenues [Abstract]
Revenues	$ 35,968	$ 28,498	$ 66,584	$ 58,117
Cost of Sales
Depreciation and amortization	1,715	2,039	3,218	3,317
Stock-based compensation expense	149	228	339	485
Other segment items	22,172	16,524	38,913	33,647
Total cost of sales	24,036	18,791	42,470	37,449
Gross profit	11,932	9,707	24,114	20,668
Operating expenses:
Research and development expenses	1,512	1,459	3,083	4,629
Selling, general and administrative expenses	20,303	16,892	39,936	33,121
Total operating expenses	21,815	18,351	43,019	37,750
Operating loss	(9,883)	(8,644)	(18,905)	(17,082)
Other income	553	1,064	1,114	2,316
Interest expense	(141)	(160)	(288)	(335)
Loss before income taxes	(9,471)	(7,740)	(18,079)	(15,101)
Provision for income taxes	(46)	(17)	(42)	(34)
Net loss	(9,517)	(7,757)	(18,121)	(15,135)
Security Solutions
Revenues [Abstract]
Revenues	32,474	17,867	58,292	36,507
Cost of Sales
Depreciation and amortization	1,714	2,037	3,215	3,312
Stock-based compensation expense	139	162	308	338
Other segment items	19,323	8,403	32,411	16,966
Total cost of sales	21,176	10,602	35,934	20,616
Gross profit	11,298	7,265	22,358	15,891
Secure Networks
Revenues [Abstract]
Revenues	3,494	10,631	8,292	21,610
Cost of Sales
Depreciation and amortization	1	2	3	5
Stock-based compensation expense	10	66	31	147
Other segment items	2,849	8,121	6,502	16,681
Total cost of sales	2,860	8,189	6,536	16,833
Gross profit	$ 634	$ 2,442	$ 1,756	$ 4,777