v3.26.1
Note 16 - Leases (Details Textual) - USD ($)
3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Operating Lease, Cost     $ 50,000 $ 50,000
Three Other Operating Leases [Member]        
Operating Lease, Cost $ 50,000 $ 50,000    
Minimum [Member]        
Lessee, Operating Lease, Term of Contract (Year) 3 years   3 years  
Maximum [Member]        
Lessee, Operating Lease, Term of Contract (Year) 20 years   20 years