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Nature Of Operations And Summary Of Significant Accounting Policies (Components Of Inventories) (Details) - USD ($)
$ in Thousands
Aug. 31, 2016
Aug. 31, 2015
Nature Of Operations And Summary Of Significant Accounting Policies [Abstract]    
Finished goods $ 5,002 $ 3,914
Raw materials 40 35
Inventories $ 5,042 $ 3,949