CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $)	3 Months Ended
	Oct. 31, 2012	Oct. 31, 2011
Net income	$ 500,774	$ 372,177
Other comprehensive income, net of taxes
Unrealized gain (loss) on available-for-sale securities, net of taxes (benefit) of $9,000 and ($5,000) for the three months ended October 31, 2012 and 2011, respectively.	13,396	(12,460)
Comprehensive income	$ 514,170	$ 359,717