Segment Information - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Information [Line Items]
Total revenue	$ 55,791	$ 53,644	$ 105,951	$ 109,402
Total gross profit	20,929	22,534	39,800	37,004
Selling, general and administrative expenses	33,095	40,005	66,700	67,969
Operating loss	(12,166)	(17,471)	(26,900)	(30,965)
Other income/(expense)	118	32	130	(1,022)
Interest expense	(187)	(192)	(377)	(388)
Loss before income taxes	(12,235)	(17,631)	(27,147)	(32,375)
Provision for income taxes	(54)	(13)	(125)	(47)
Net loss	(12,289)	(17,644)	(27,272)	(32,422)
Security Solutions
Segment Reporting Information [Line Items]
Total revenue	30,819	32,236	57,738	55,066
Total gross profit	16,433	17,188	31,485	26,515
Secure Networks
Segment Reporting Information [Line Items]
Total revenue	24,972	21,408	48,213	54,336
Total gross profit	$ 4,496	$ 5,346	$ 8,315	$ 10,489