SEGMENT INFORMATION - Operations by Business Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Revenues
Revenues	$ 55,198	$ 51,444	$ 150,685	$ 118,028
Production Related Impairments or Charges [Abstract]
Depreciation and amortization	2,637	2,356	7,747	5,574
Stock-based compensation expense	187	154	605	493
Other segment items	31,434	28,388	87,326	67,301
Total cost of sales	34,258	30,898	95,678	73,368
Gross profit	20,940	20,546	55,007	44,660
Operating expenses:
Research and development expenses	1,452	1,899	4,154	4,982
Selling, general and administrative expenses	15,398	21,115	44,998	61,051
Total operating expenses	16,850	23,014	49,152	66,033
Operating income (loss)	4,090	(2,468)	5,855	(21,373)
Other income	464	511	1,662	1,625
Interest expense	(100)	(136)	(318)	(424)
Income (loss) before income taxes	4,454	(2,093)	7,199	(20,172)
Provision for income taxes	(18)	(21)	(80)	(63)
Net income (loss)	4,436	(2,114)	7,119	(20,235)
Security Solutions
Revenues
Revenues	54,184	46,478	146,816	104,770
Production Related Impairments or Charges [Abstract]
Depreciation and amortization	2,636	2,354	7,740	5,569
Stock-based compensation expense	171	142	549	450
Other segment items	30,616	24,696	84,403	57,107
Total cost of sales	33,423	27,192	92,692	63,126
Gross profit	20,761	19,286	54,124	41,644
Secure Networks
Revenues
Revenues	1,014	4,966	3,869	13,258
Production Related Impairments or Charges [Abstract]
Depreciation and amortization	1	2	7	5
Stock-based compensation expense	16	12	56	43
Other segment items	818	3,692	2,923	10,194
Total cost of sales	835	3,706	2,986	10,242
Gross profit	$ 179	$ 1,260	$ 883	$ 3,016