Note 15 - Income Taxes - Reconciliations of the Expected Federal Income Tax at the Statutory Rate with the Provisions for Income Taxes (Details) - USD ($)	12 Months Ended
	Aug. 31, 2025	Aug. 31, 2024
Tax computed at statutory rates	$ 647,000	$ 1,627,000
State income tax, net of federal benefit	120,000	21,000
Tax effect on equity in income of international joint ventures	(742,000)	(887,000)
Tax effect of foreign operations	875,000	371,000
Deemed repatriation	26,000	4,000
Foreign tax credit	0	(321,000)
Research and development credit	(138,000)	(512,000)
Valuation allowance	1,363,000	1,066,000
Stock based compensation	77,002	175,000
Non-controlling interest	(62,000)	(71,000)
Prior year true-up	(112,000)	(146,000)
Other	(9,000)	(1,203)
Income Tax Expense (Benefit)	$ 2,045,002	$ 1,325,797