Description of Business and Significant Accounting Policies - Common Stock Repurchases (Details Narrative) (USD $)	12 Months Ended		3 Months Ended
	Apr. 30, 2013	Oct. 31, 2013	Jul. 31, 2012 Common Stock Repurchases	Apr. 10, 2012 Common Stock Repurchases	Dec. 04, 2002 Common Stock Repurchases	Oct. 31, 2013 Common Stock Repurchases
Number of shares authorized to repurchase				138,000	83,333
Number of common shares repurchased			22,942			0
Cost to repurchase common stock			$ 142,262
Treasury shares canceled	22,944
Total number of shares authorized for purchase		136,408		166,667