Note 10 - Net Income Per Common Share - Reconciliation of the Earnings Per Share Computations (Details) - USD ($)	12 Months Ended
	Aug. 31, 2025	Aug. 31, 2024
Net income	$ 17,619	$ 5,409,082
Basic-weighted shares outstanding (in shares)	9,476,085	9,434,020
Weighted shares assumed upon exercise of stock options (in shares)	163,592	399,430
Diluted – weighted shares outstanding (in shares)	9,639,676	9,833,450
Basic net income per share: (in dollars per share)	$ 0	$ 0.57
Diluted net income per share: (in dollars per share)	$ 0	$ 0.55