v3.26.1
Note 11 - Commitments and Contingencies (Details Textual) - USD ($)
$ in Thousands
1 Months Ended
Jul. 31, 2021
Jul. 31, 2021
Jun. 30, 2026
Sep. 30, 2025
Aug. 31, 2025
Aug. 01, 2025
Sep. 30, 2024
Geovox [Member]              
Business Combination, Contingent Consideration, Liability     $ 2,750 $ 2,540 $ 2,500 $ 2,500 $ 0
Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount         $ 3,300 $ 3,300  
Aquana, LLC [Member]              
Business Combination, Contingent Consideration, Earn Out Period (Year) 7 years 7 years          
Business Combination, Required Continued Employment of Key Employees, Period (Year) 5 years