Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details Textual)

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Stockholders' Equity (Details Textual) - Oct. 31, 2014 - Related Party [Domain] - USD ($)
$ / shares in Units, $ in Millions
Total
Class of Warrant or Right [Line Items]  
Underwritten Public Offering, Proceeds from Units Issued $ 9.6
Series A Warrants [Member]  
Class of Warrant or Right [Line Items]  
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 0.89