Note 15 - Income Taxes - Reconciliation of the Total Amounts of Unrecognized Tax Benefits (Details) - USD ($)	12 Months Ended
	Aug. 31, 2025	Aug. 31, 2024
Gross unrecognized tax benefits, balance	$ 399,300	$ 361,200
Gross (decreases) increases – prior period tax positions	(17,400)	(5,400)
Gross increases – current period tax positions	40,000	43,500
Gross unrecognized tax benefits, balance	$ 421,900	$ 399,300