Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details Textual)

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Commitments and Contingencies (Details Textual) (USD $)
In Millions, unless otherwise specified
Apr. 30, 2013
Nov. 28, 2012
Jp Morgan Chase Bank [Member]
Customer Performance Bond $ 0.9  
Demand Notes Payable   $ 20