Note 9 - Leases - Summary of Information Relating to Lease Term and Discount Rate (Details)	Sep. 30, 2023	Sep. 30, 2022
Operating leases (Month)	44 months 21 days	20 months 12 days
Finance leases (Month)	8 months 6 days	20 months 6 days
Operating leases	9.28%	7.50%
Finance leases	7.50%	7.50%