SEGMENT INFORMATION - Segment Reporting Information, by Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Revenues
Total revenue	$ 145,378	$ 216,887
Gross profit
Total gross profit	52,942	79,043
Selling, general and administrative expenses	93,257	132,893
Operating loss	(40,315)	(53,850)
Other income	6,715	1,350
Interest expense	(786)	(874)
Loss before income taxes	(34,386)	(53,374)
Provision for income taxes	(36)	(54)
Net loss	(34,422)	(53,428)
Security Solutions
Revenues
Total revenue	77,416	120,454
Gross profit
Total gross profit	39,614	61,948
Secure Networks
Revenues
Total revenue	67,962	96,433
Gross profit
Total gross profit	$ 13,328	$ 17,095