Related Party Transactions (Schedule Of Assets Acquired Amortized Over Estimated Useful Lives) (Details) - Red Tree, Inc [Member] $ in Thousands	12 Months Ended
	Aug. 31, 2016 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