Inventories (Tables)

6 Months Ended

Apr. 30, 2017

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories consist of the following:

	April 30, 2017		October 31, 2016
Raw materials	$	24,532	$	26,367
Work-in-process	16,822		16,149
Finished goods	18,599		18,031
Total inventory	$	59,953	$	60,547