Inventories (Tables)

9 Months Ended

Apr. 30, 2016

Inventory Disclosure [Abstract]

Inventories

Inventories consist of the following at:

	April 30, 2016		July 31, 2015
Raw materials and components	$	54,956,000	51,272,000
Work-in-process and finished goods	36,514,000		27,700,000
Total inventories	91,470,000		78,972,000
Less reserve for excess and obsolete inventories	16,146,000		16,904,000
Inventories, net	$	75,324,000	62,068,000