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Note 15 - Income Taxes - Provision for Income Taxes (Details) - USD ($)
12 Months Ended
Aug. 31, 2016
Aug. 31, 2015
Current:    
Federal
State 20,000 (37,000)
Foreign 647,000 542,000
Total current 667,000 505,000
Deferred:    
Federal 6,000 87,000
State 5,000
Foreign (47,000) 52,000
Total deferred (41,000) 144,000
Total income tax expense $ 626,120 $ 648,674