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Note 12 - Leases (Details Textual) - USD ($)
$ in Thousands
 12 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Increase in Lease Liability with 10% Increase in Index $ 42  
Operating Lease, Right-of-Use Asset 3,886 $ 4,541
Operating Lease, Liability $ 5,291 6,137
Operating Lease, Weighted Average Remaining Lease Term (Year) 4 years 9 months 18 days  
Operating Lease, Weighted Average Discount Rate, Percent 4.20%  
Operating Lease, Expense $ 1,003 1,002
Short-Term Lease, Cost 19  
Assets Acquisition of Amika Mobile Corporation [Member]    
Operating Lease, Right-of-Use Asset 79 466
Operating Lease, Liability $ 79 $ 466