Annual report pursuant to Section 13 and 15(d)

FAIR VALUE MEASUREMENTS (Details 1)

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FAIR VALUE MEASUREMENTS (Details 1) (USD $)
 12 Months Ended
Aug. 31, 2014
Aug. 31, 2013
Aug. 31, 2012
Imputed interest recorded as "Other Expense" $ (1,445,509) $ (3,275,378) $ (3,470,523)
Gross Estimated Tap Participation Fee Liability
      
Balance, beginning 102,681,900    
Total gains and losses (realized and unrealized)       
Purchases, sales, issuances, payments, and settlements (90,643,600)    
Transfers in and/or out of Level 3       
Balance, ending 12,038,300    
Tap Participation Fee Reported Liability
      
Balance, beginning 59,807,300    
Total gains and losses (realized and unrealized)       
Imputed interest recorded as "Other Expense" 1,445,500    
Purchases, sales, issuances, payments, and settlements (53,317,500)    
Transfers in and/or out of Level 3       
Balance, ending 7,935,300    
Discount To Be Imputed As Interest Expense In Future Periods
      
Balance, beginning 42,874,600    
Total gains and losses (realized and unrealized)       
Imputed interest recorded as "Other Expense" 1,445,500    
Purchases, sales, issuances, payments, and settlements (37,326,100)    
Transfers in and/or out of Level 3       
Balance, ending $ 4,103,000