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Note 9 (Detail) (USD $)
Aug. 31, 2012
Feb. 29, 2012
Allowance for Doubtful Accounts, Premiums and Other Receivables $ 516,800 $ 556,300
Creditor in Bankruptcy [Member]
   
Accounts Receivable, Gross, Current 364,500 364,500
Allowance for Doubtful Accounts, Premiums and Other Receivables $ 340,000