Revenue, Deferred Revenue and Prepaid Commissions - Schedule of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Disaggregation of Revenue [Line Items]
Total revenue	$ 35,011	$ 35,686	$ 68,237	$ 71,980
United States
Disaggregation of Revenue [Line Items]
Total revenue	$ 34,479	$ 35,104	$ 67,092	$ 70,667
United States \| Revenue from Contract with Customer Benchmark \| Geographic Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk percentage (more than)	10.00%	10.00%	10.00%	10.00%
International
Disaggregation of Revenue [Line Items]
Total revenue	$ 532	$ 582	$ 1,145	$ 1,313
Wireless revenue
Disaggregation of Revenue [Line Items]
Total revenue	17,213	18,440	34,699	36,914
Paging revenue
Disaggregation of Revenue [Line Items]
Total revenue	16,011	17,192	32,580	34,799
Product and other revenue
Disaggregation of Revenue [Line Items]
Total revenue	1,202	1,248	2,119	2,115
Software revenue
Disaggregation of Revenue [Line Items]
Total revenue	17,798	17,246	33,538	35,066
License
Disaggregation of Revenue [Line Items]
Total revenue	3,632	2,394	4,994	5,025
Professional services - projects
Disaggregation of Revenue [Line Items]
Total revenue	2,768	3,831	6,096	8,302
Professional services - managed services
Disaggregation of Revenue [Line Items]
Total revenue	2,332	1,520	4,391	2,835
Hardware
Disaggregation of Revenue [Line Items]
Total revenue	128	376	314	697
Maintenance and subscription
Disaggregation of Revenue [Line Items]
Total revenue	$ 8,938	$ 9,125	$ 17,743	$ 18,207