CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $)	3 Months Ended		9 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2013	Apr. 30, 2012
Net income	$ 73,037	$ 140,159	$ 562,843	$ 826,081
Other comprehensive income, net of taxes
Unrealized gain on available-for-sale securities, net of taxes of $19,000 and $40,000 for the three months ended April 31, 2013 and 2012, respectively, and $49,000 and $50,000 for the nine months ended April 31, 2013 and 2012, respectively.	23,412	2,909	61,441	19,859
Comprehensive income	$ 96,449	$ 143,068	$ 624,284	$ 845,940