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Income Taxes (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Nov. 30, 2016
Nov. 30, 2015
Income Tax Expense (Benefit) $ 402 $ 320
Effective Income Tax Rate Reconciliation, Percent 37.80%  
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent 34.00%