Revenue, Deferred Revenue And Prepaid Commissions - Additional Information and Disaggregation of Revenue (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2025 USD ($) revenue_component	Mar. 31, 2024 USD ($)
Revenues from External Customers and Long-Lived Assets
Total revenue	$ 36,294	$ 34,909
Deferred revenue recognized from previous period	12,900
United States
Revenues from External Customers and Long-Lived Assets
Total revenue	$ 35,563	$ 34,142
United States | Revenue from Contract with Customer Benchmark | Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets
Concentration risk percentage (more than)	10.00%	10.00%
International
Revenues from External Customers and Long-Lived Assets
Total revenue	$ 731	$ 767
Wireless revenue
Revenues from External Customers and Long-Lived Assets
Revenue primary component | revenue_component	2
Total revenue	$ 18,474	18,595
Paging revenue
Revenues from External Customers and Long-Lived Assets
Total revenue	17,607	17,970
Product and other revenue
Revenues from External Customers and Long-Lived Assets
Total revenue	867	625
Software revenue
Revenues from External Customers and Long-Lived Assets
Total revenue	17,820	16,314
License
Revenues from External Customers and Long-Lived Assets
Total revenue	2,631	2,626
Professional services - projects
Revenues from External Customers and Long-Lived Assets
Total revenue	4,471	3,561
Professional services - managed services
Revenues from External Customers and Long-Lived Assets
Total revenue	1,315	464
Hardware
Revenues from External Customers and Long-Lived Assets
Total revenue	321	384
Maintenance
Revenues from External Customers and Long-Lived Assets
Total revenue	$ 9,082	$ 9,279