Note 12 - Commitments and Contingencies - Right of Use Assets and Lease Liabilities (Details) - USD ($)	Sep. 30, 2025	Sep. 30, 2024
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other Assets, Noncurrent	Other Assets, Noncurrent
Other assets	$ 722,278	$ 314,767
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued liabilities	Accrued liabilities
Accrued liabilities	$ 201,098	$ 128,360
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Long-term liabilities	Long-term liabilities
Long-term liabilities	$ 529,265	$ 186,407