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Related Party Transactions (Schedule Of Assets Acquired Amortized Over Estimated Useful Lives) (Details) - Red Tree, Inc [Member]
$ in Thousands
12 Months Ended
Aug. 31, 2015
USD ($)
Acquired Finite-Lived Intangible Assets [Line Items]  
Intangible Assets Acquired $ 405
Trade Names [Member]  
Acquired Finite-Lived Intangible Assets [Line Items]  
Intangible Assets Acquired $ 31
Estimated Useful Life 5 years
Customer Relationships [Member]  
Acquired Finite-Lived Intangible Assets [Line Items]  
Intangible Assets Acquired $ 142
Estimated Useful Life 5 years
Content [Member]  
Acquired Finite-Lived Intangible Assets [Line Items]  
Intangible Assets Acquired $ 232
Estimated Useful Life 5 years