Revenue, Deferred Revenue And Prepaid Commissions - Additional Information and Disaggregation of Revenue (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) revenue_component	Jun. 30, 2023 USD ($)
Revenues from External Customers and Long-Lived Assets
Total revenue	$ 33,982	$ 36,463	$ 68,891	$ 69,643
Deferred revenue recognized from previous period			17,000
United States
Revenues from External Customers and Long-Lived Assets
Total revenue	$ 33,302	$ 35,649	$ 67,444	$ 67,860
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%	10.00%	10.00%
International
Revenues from External Customers and Long-Lived Assets
Total revenue	$ 680	$ 814	$ 1,447	$ 1,783
Wireless revenue
Revenues from External Customers and Long-Lived Assets
Revenue primary component | revenue_component			2
Total revenue	18,297	18,877	$ 36,892	37,905
Paging revenue
Revenues from External Customers and Long-Lived Assets
Total revenue	17,633	18,271	35,603	36,796
Product and other revenue
Revenues from External Customers and Long-Lived Assets
Total revenue	664	606	$ 1,289	1,109
Software revenue
Revenues from External Customers and Long-Lived Assets
Revenue primary component | revenue_component			2
Total revenue	15,685	17,586	$ 31,999	31,738
License
Revenues from External Customers and Long-Lived Assets
Total revenue	1,697	3,692	4,323	5,310
Professional services
Revenues from External Customers and Long-Lived Assets
Total revenue	4,286	3,837	8,311	7,076
Hardware
Revenues from External Customers and Long-Lived Assets
Total revenue	334	933	718	1,289
Operations revenue
Revenues from External Customers and Long-Lived Assets
Total revenue	6,317	8,462	13,352	13,675
Maintenance
Revenues from External Customers and Long-Lived Assets
Total revenue	$ 9,368	$ 9,124	$ 18,647	$ 18,063