Revenue, Deferred Revenue and Prepaid Commissions - Schedule of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Revenues	$ 137,653	$ 139,025	$ 134,534
United States
Disaggregation of Revenue [Line Items]
Revenues	134,998	135,804	130,380
International
Disaggregation of Revenue [Line Items]
Revenues	2,655	3,221	4,154
Wireless revenue
Disaggregation of Revenue [Line Items]
Revenues	73,523	75,968	75,622
Paging revenue
Disaggregation of Revenue [Line Items]
Revenues	70,958	73,135	73,323
Product and other revenue
Disaggregation of Revenue [Line Items]
Revenues	2,565	2,833	2,299
Software revenue
Disaggregation of Revenue [Line Items]
Revenues	64,130	63,057	58,912
Operations revenue
Disaggregation of Revenue [Line Items]
Revenues	26,905	26,090	21,978
License
Disaggregation of Revenue [Line Items]
Revenues	7,648	8,721	7,202
Professional services - projects
Disaggregation of Revenue [Line Items]
Revenues	14,616	13,305	11,584
Professional services - managed services
Disaggregation of Revenue [Line Items]
Revenues	3,259	1,389	981
Hardware
Disaggregation of Revenue [Line Items]
Revenues	1,382	2,675	2,211
Maintenance
Disaggregation of Revenue [Line Items]
Revenues	$ 37,225	$ 36,967	$ 36,934