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Nature Of Operations And Summary Of Significant Accounting Policies (Components Of Inventories) (Details) - USD ($)
$ in Thousands
Aug. 31, 2015
Aug. 31, 2014
Nature Of Operations And Summary Of Significant Accounting Policies [Abstract]    
Finished goods $ 3,914 $ 6,295
Raw materials 35 72
Inventories $ 3,949 $ 6,367