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Note 14 - Income Taxes - Tax Effect of the Temporary Differences and Tax Carry Forwards Comprising Net Deferred Taxes (Details) - USD ($) | Aug. 31, 2021 | Aug. 31, 2020
--- | --- | ---
Accrued compensation | $ 539,300 | $ 173,500
Inventory costs | 55,100 | 64,000
Other accrued expenses | 103,100 | 74,900
Lease liability | 84,300 | 147,500
Goodwill and other intangible assets | 453,000 | 581,200
Stock-based compensation | 466,300 | 397,300
Foreign tax credit carryforward | 4,893,300 | 5,790,500
Other credit and loss carryforwards | 5,243,100 | 4,824,200
Total deferred tax assets | 11,837,500 | 12,053,100
Valuation allowance | (11,447,500) | (11,561,700)
Total deferred tax assets after valuation allowance | 390,000 | 491,400
Property and equipment | (7,300) | (50,700)
Right-of-use asset | (84,300) | (147,500)
Unremitted foreign earnings | (154,900) | 0
Other | (50,900) | (83,400)
Total deferred tax liabilities | (297,400) | (281,600)
Net deferred tax assets | $ 92,600 | $ 209,800

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