Note 7 - Leases - Summary of Lease Activity (Details) - USD ($)	3 Months Ended
	Nov. 30, 2024	Nov. 30, 2023
Amortization of right-of-use assets	$ 8,090	$ 15,397
Interest on lease liabilities	344	1,085
Operating lease expense	318,675	328,070
Short-term lease expense	726,078	801,548
Total	1,053,187	1,146,100
Operating cash flows	344	1,085
Financing cash flows	11,667	20,008
Operating cash flows	$ 305,791	$ 328,070
Financing leases (Year)	10 months 24 days	1 year 4 months 24 days
Operating leases (Year)	12 years 2 months 12 days	13 years 7 months 6 days
Financing leases	3.63%	4.20%
Operating leases	6.13%	6.00%