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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, 2016
Aug. 31, 2015
Tax computed at statutory rates $ (195,000) $ 1,076,000
State income tax, net of federal benefit 20,000 (32,000)
Tax effect on equity in (income) loss of international joint ventures (956,000) (1,986,000)
Tax effect on dividends received from joint ventures and investment at carrying value 2,681,000 1,470,000
Tax effect of foreign operations 997,000 996,000
Foreign tax credit (3,178,000) (1,937,000)
Research and development credit (408,000) (314,000)
Valuation allowance 1,620,000 1,379,000
Stock based compensation 90,000 99,000
Non-controlling interest (148,000) (204,000)
Other 103,000 102,000
Total income tax expense $ 626,120 $ 648,674