Inventories (Tables)

9 Months Ended

Apr. 30, 2015

Inventory Disclosure [Abstract]

Inventories

Inventories consist of the following at:

	April 30, 2015		July 31, 2014
Raw materials and components	$	52,438,000	50,423,000
Work-in-process and finished goods	32,162,000		27,218,000
Total inventories	84,600,000		77,641,000
Less reserve for excess and obsolete inventories	16,348,000		16,309,000
Inventories, net	$	68,252,000	61,332,000