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Note 12 - Leases (Details Textual) - USD ($)
$ in Thousands
 12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Increase in Lease Liability with 10% Increase in Index $ 42  
Operating Lease, Right-of-Use Asset 4,541 $ 4,862
Operating Lease, Liability, Total $ 6,137 6,608
Operating Lease, Weighted Average Remaining Lease Term (Year) 5 years 8 months 12 days  
Operating Lease, Weighted Average Discount Rate, Percent 4.10%  
Operating Lease, Expense $ 1,002 991
Short-Term Lease, Cost 0 0
Assets Acquisition of Amika Mobile Corporation [Member]    
Operating Lease, Right-of-Use Asset 466 259
Operating Lease, Liability, Total $ 466 $ 259