Description of Business and Significant Accounting Policies - Common Stock Repurchases (Details Narrative)	Jul. 31, 2014	Apr. 10, 2012 Common Stock Repurchase Plan	Dec. 04, 2002 Common Stock Repurchase Plan
Equity, Class of Treasury Stock [Line Items]
Number of shares authorized to repurchase		138,000	83,333
Total number of shares authorized for purchase	136,408	166,667