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Note 1 - Business and Significant Accounting Policies - Summary of Revenue (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Revenue $ 48,450 $ 46,028
Recurring Revenue [Member]    
Revenue 23,865 22,590
Urban Mobility [Member]    
Revenue 29,304 28,688
Product and Service, Other [Member]    
Revenue 24,585 23,438
Traffic Management [Member]    
Revenue 1,745 2,533
Public Safety [Member]    
Revenue $ 17,401 $ 14,807