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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, 2023	Aug. 31, 2022
Tax computed at statutory rates	$ 1,352,000	$ 1,780,000
State income tax, net of federal benefit	(20,000)	34,000
Tax effect on equity in income of international joint ventures	(1,354,000)	(988,000)
Tax effect of foreign operations	1,005,000	1,004,000
Deemed repatriation	0	10,000
Foreign tax credit	783,000	0
Research and development credit	(710,000)	(244,000)
Valuation allowance	354,000	133,000
Stock based compensation	31,000	67,000
Non-controlling interest	(59,000)	(72,000)
Prior year true-up	(51,000)	0
Other	18,600	149,836
Income Tax Expense (Benefit)	$ 1,349,600	$ 1,873,836

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign tax credit expirations.

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