CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)	3 Months Ended		9 Months Ended
	Apr. 30, 2016	Apr. 30, 2015	Apr. 30, 2016	Apr. 30, 2015
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME [Abstract]
Net income	$ 451,391	$ 421,962	$ 1,075,492	$ 1,189,547
Unrealized gain (loss) on available-for-sale securities:
Unrealized holding gains (losses) arising during the period, net of taxes (benefit) of $23,000 and ($14,000) for the three months ended April 30, 2016 and 2015, respectively, and ($5,000) and $37,000 for the nine months ended April 30, 2016 and 2015, respectively.	43,213	17,369	(10,241)	46,708
Comprehensive income	$ 494,604	$ 439,331	$ 1,065,251	$ 1,236,255