Note 15 - Income Taxes (Details) (USD $)	3 Months Ended		9 Months Ended
	May 31, 2014	May 31, 2013	May 31, 2014	May 31, 2013	Aug. 31, 2013
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%	35.00%	35.00%	35.00%
Unrecognized Tax Benefits (in Dollars)	$ 5,157,000		$ 5,157,000		$ 5,435,000
Unrecognized Tax Benefits, Interest on Income Taxes Accrued (in Dollars)	$ 1,000,000		$ 1,000,000