Cash Flow Information (Tables)

9 Months Ended

Apr. 30, 2016

Cash Flow Information: [Abstract]

Schedule of cash flow information

Supplemental disclosure:	Nine Months Ended
	April 30
	2016		2015
Interest paid, net of capitalized interest of $49,084 (2016)
and $6,367 (2015)	$	159,082	$	280,522
Income taxes paid	$	87,804	$	387,163