Inventories

6 Months Ended

Jan. 31, 2017

Inventory Disclosure [Abstract]

Inventory Disclosure [Text Block]

Note 4 - Inventories

Inventories consist of the following:

	January 31, 2017		July 31, 2016
Raw materials	$	912	$	951
Work in process		1,893		1,755
Finished products		4,310		4,265
	$	7,115	$	6,971