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Long-term Liabilities (Schedule of Notes Payable) (Detail) (USD $)
Jun. 01, 2012
Jun. 03, 2011
Mar. 31, 2011
Debt Instrument [Line Items]      
Total equipment note payable $ 6,015,767 $ 6,347,650 $ 3,532,700
Less: current portion (344,528) (331,883)  
Total non current portion $ 5,671,239 $ 6,015,767