CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $)	3 Months Ended		9 Months Ended
	Apr. 30, 2012	Apr. 30, 2011	Apr. 30, 2012	Apr. 30, 2011
Net income	$ 140,159	$ 203,216	$ 826,081	$ 195,197
Other comprehensive income, net of taxes (Note 3)
Unrealized gain on available-for-sale securities, net of taxes of $40,000 and $24,000 for the three months ended April 30, 2012 and 2011, respectively, and $50,000 and $53,000 for the nine months ended April 30, 2012 and 2011, respectively.	2,909	47,510	19,859	103,199
Comprehensive income	$ 143,068	$ 250,726	$ 845,940	$ 298,396