Inventories, net (Tables)

12 Months Ended

Jul. 31, 2015

Inventories

Summary of inventories

	July 31,
	2015			2014
Raw materials and parts	$	36,585,000		$	31,724,000
Work-in-process	10,017,000			7,509,000
Finished goods	29,371,000			24,923,000
Reserve for excess and obsolete inventory	(3,895,000		)	(4,419,000		)
Total	$	72,078,000		$	59,737,000