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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, 2020 | Aug. 31, 2019
--- | --- | ---
Accrued compensation | $ 173,500 | $ 153,400
Inventory costs | 64,000 | 60,900
Other accrued expenses | 74,900 | 39,700
Lease liability | 147,500 |
Goodwill and other intangible assets | 581,200 | 688,400
Stock-based compensation | 397,300 | 299,300
Foreign tax credit carryforward | 5,790,500 | 5,790,500
Other credit and loss carryforwards | 4,824,200 | 3,631,700
Total deferred tax assets | 12,053,100 | 10,663,900
Valuation allowance | (11,561,700) | (8,764,300)
Total deferred tax assets after valuation allowance | 491,400 | 1,899,600
Property and equipment | (50,700) | (111,900)
Right-of-use asset | (147,500) |
Other | (83,400) | (153,400)
Total deferred tax liabilities | (281,600) | (265,300)
Net deferred tax assets | $ 209,800 | $ 1,634,300

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