CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)	3 Months Ended
	Oct. 31, 2015	Oct. 31, 2014
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net income	$ 401,375	$ 438,672
Unrealized gain (loss) on available-for-sale securities:
Unrealized holding gains (losses) arising during the period, net of taxes (benefit) of $(11,000) and $33,000 for the three months ended October 31, 2015 and 2014, respectively.	(19,404)	42,162
Comprehensive income	$ 381,971	$ 480,834