Note 9 - Debt and Revolving Lines of Credit (Detail) - Debt (Including Capital Lease Obligations) (Parentheticals)
3 Months Ended 12 Months Ended
Nov. 30, 2012
Aug. 31, 2012
Imputed interest rate on vendor financing contracts 2.398%  
Minimum [Member] | Notes Payable on IT Contracts [Member]
   
Interest rate on vendor financing contracts 0.00% 0.00%
Interest rate on vendor financing contracts 0.00% 0.00%
Imputed interest rate on vendor financing contracts 2.30% 2.30%
Imputed interest rate on vendor financing contracts 2.3% 2.3%
Maximum [Member] | Notes Payable on IT Contracts [Member]
   
Interest rate on vendor financing contracts 3.70% 3.70%
Interest rate on vendor financing contracts 3.70% 3.70%
Imputed interest rate on vendor financing contracts 4.20% 4.20%
Imputed interest rate on vendor financing contracts 4.2% 4.2%