Inventories (Tables)

9 Months Ended

Apr. 30, 2020

Inventory Disclosure [Abstract]

Inventories

Inventories consist of the following at:

	April 30, 2020		July 31, 2019
Raw materials and components	$	60,203,000	53,959,000
Work-in-process and finished goods	38,070,000		40,576,000
Total inventories	98,273,000		94,535,000
Less reserve for excess and obsolete inventories	18,850,000		19,696,000
Inventories, net	$	79,423,000	74,839,000