SEGMENT INFORMATION - Schedule of Segment Reporting Information, by Segment (Details) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Revenues [Abstract]
Revenues	$ 164,805,000	$ 108,272,000
Cost of sales
Impairment loss on intangible assets	0	5,333,000
Depreciation and amortization	8,180,000	6,404,000
Stock-based compensation expense	652,000	828,000
Other segment item	94,956,000	61,278,000
Total cost of sales	103,788,000	73,843,000
Gross profit	61,017,000	34,429,000
Operating expenses
Research and development expenses	7,057,000	8,442,000
Selling, general and administrative expenses	78,925,000	75,487,000
Goodwill impairment	14,916,000	0
Impairment loss on intangible assets	0	6,373,000
Total operating expenses	100,898,000	90,302,000
Operating loss	(39,881,000)	(55,873,000)
Other income	3,225,000	4,023,000
Interest expense	(553,000)	(644,000)
Loss before income taxes	(37,209,000)	(52,494,000)
Benefit from (provision for) income taxes	663,000	(26,000)
Net loss	(36,546,000)	(52,520,000)
Security Solutions
Revenues [Abstract]
Revenues	149,600,000	76,760,000
Cost of sales
Impairment loss on intangible assets	0	5,333,000
Depreciation and amortization	8,173,000	6,396,000
Stock-based compensation expense	594,000	667,000
Other segment item	83,274,000	36,685,000
Total cost of sales	92,041,000	49,081,000
Gross profit	57,559,000	27,679,000
Operating expenses
Goodwill impairment	0
Secure Networks
Revenues [Abstract]
Revenues	15,205,000	31,512,000
Cost of sales
Impairment loss on intangible assets	0	0
Depreciation and amortization	7,000	8,000
Stock-based compensation expense	58,000	161,000
Other segment item	11,682,000	24,593,000
Total cost of sales	11,747,000	24,762,000
Gross profit	3,458,000	$ 6,750,000
Operating expenses
Goodwill impairment	$ 14,916,000