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Note 15 - Income Taxes (Details) - Tax Effect of the Temporary Differences and Tax Carry Forwards Comprising Net Deferred Taxes: (USD $) | Aug. 31, 2014 | Aug. 31, 2013
--- | --- | ---
Current: |  |
Accrued bonus | $ 524,000 | $ 277,300
Allowance for doubtful accounts | 14,500 | 7,200
Inventory costs | 100,800 | 24,600
Prepaid expenses and other | (40,600) | (31,200)
Other accrued expenses | 86,800 | 85,500
Deferred joint venture expenses | 104,100 | 104,100
Total current | 789,600 | 467,500
Noncurrent: |  |
Property and equipment | (171,200) | (165,100)
Goodwill | 27,300 | 35,200
Other intangible assets | 825,200 | 914,000
Nonqualified stock options | 260,400 | 248,500
Capital loss carryforward | 50,900 |
Foreign tax credit carryforward | 4,141,100 | 4,253,900
Research and development credit | 1,910,800 | 1,823,200
New hire retention credit | 10,600 | 10,600
| 7,055,100 | 7,120,300
Valuation allowance | (6,113,400) | (6,086,100)
Total noncurrent | $ 941,700 | $ 1,034,200

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