Income Taxes (Details Textual) - USD ($)	3 Months Ended	12 Months Ended
Nov. 30, 2018	Nov. 30, 2017	Aug. 31, 2018	Aug. 31, 2017
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	30.50%	38.40%
Deferred Income Tax Expense (Benefit)			$ 184,000
Effective Income Tax Rate Reconciliation, Percent	21.00%			35.00%
Income Tax Expense (Benefit)	$ 845,000	$ 746,000

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

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