Long-term Liabilities (Schedule of Notes Payable) (Detail) (USD $)	May 31, 2013	Jun. 01, 2012	Mar. 31, 2011
Debt Disclosure [Abstract]
Total equipment note payable	$ 5,671,240	$ 6,015,767	$ 3,532,700
Less: current portion	(357,027)	(344,528)
Total non current portion	$ 5,314,213	$ 5,671,239

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Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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Including the current and noncurrent portions, the carrying value as of the balance sheet date of notes payable to banks, excluding mortgage notes, initially due beyond one year or beyond the operating cycle if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Current portion of the total carrying amount as of the balance sheet date due within one year or the operating cycle, if longer, on all notes payable to banks paid on an installment with long term maturities. This can include the amount of any loans from the applicant firm. This does not, however, include any mortgage balances.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20

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