Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE MEASUREMENTS (Details 1)

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FAIR VALUE MEASUREMENTS (Details 1) (USD $)
 3 Months Ended 6 Months Ended
Feb. 28, 2014
Feb. 28, 2013
Feb. 28, 2014
Feb. 28, 2013
Imputed interest recorded as "Other Expense" $ (403,003) $ (650,107) $ (1,060,238) $ (1,544,755)
Gross Estimated Tap Participation Fee Liability
        
Balance, beginning     102,681,900  
Total gains and losses (realized and unrealized)         
Imputed interest recorded as "Other Expense"         
Purchases, sales, issuances, payments, and settlements     (63,233,700)  
Transfers in and/or out of Level 3         
Balance, ending 39,448,200   39,448,200  
Tap Participation Fee Reported Liability
        
Balance, beginning     59,807,300  
Total gains and losses (realized and unrealized)         
Imputed interest recorded as "Other Expense"     1,060,200  
Purchases, sales, issuances, payments, and settlements     (36,235,400)  
Transfers in and/or out of Level 3         
Balance, ending 24,632,100   24,632,100  
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"     (1,060,200)  
Purchases, sales, issuances, payments, and settlements     (26,998,300)  
Transfers in and/or out of Level 3         
Balance, ending $ 14,816,100   $ 14,816,100