Inventories, Net (Tables)

9 Months Ended

Apr. 30, 2016

Inventories

Summary of inventories

	April 30,		July 31,
	2016		2015
Raw materials and parts	$	45,266,000	$	36,585,000
Work-in-process		12,907,000		10,017,000
Finished goods		38,440,000		29,371,000
Reserve for excess and obsolete inventory		(5,666,000)		(3,895,000)
Total	$	90,947,000	$	72,078,000