Inventories (Tables)

12 Months Ended

Jul. 31, 2020

Inventory Disclosure [Abstract]

Inventories

Inventories consist of the following at July 31, 2020 and 2019:

	2020		2019
Raw materials and components	$	59,175,000	53,959,000
Work-in-process and finished goods	42,203,000		40,576,000
Total inventories	101,378,000		94,535,000
Less reserve for excess and obsolete inventories	19,076,000		19,696,000
Inventories, net	$	82,302,000	74,839,000