Quarterly report pursuant to Section 13 or 15(d)

Description of Business and Significant Accounting Policies - Common Stock Repurchases (Details Narrative)

v3.2.0.727
Description of Business and Significant Accounting Policies - Common Stock Repurchases (Details Narrative) - shares
3 Months Ended 12 Months Ended
Jul. 31, 2015
Apr. 30, 2015
Apr. 10, 2012
Dec. 04, 2002
Equity, Class of Treasury Stock [Line Items]        
Total number of shares authorized for purchase 136,408      
Common Stock Repurchase Plan        
Equity, Class of Treasury Stock [Line Items]        
Number of shares authorized to repurchase     138,000 83,333
Number of common shares repurchased 0 0    
Total number of shares authorized for purchase     166,667