Quarterly report pursuant to Section 13 or 15(d)

Description of Business and Significant Accounting Policies - Net Loss Per Share (Details Narrative)

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Description of Business and Significant Accounting Policies - Net Loss Per Share (Details Narrative) - shares
3 Months Ended
Jul. 31, 2015
Jul. 31, 2014
Stock Options    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Anti-dilutive securities not included in diluted net loss per common share computation 281,747 272,580
Convertible Securities    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Anti-dilutive securities not included in diluted net loss per common share computation 1,566,500  
Warrant    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Anti-dilutive securities not included in diluted net loss per common share computation 3,358,275 1,385,775