Inventories (Tables)

3 Months Ended

Jan. 31, 2017

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories consist of the following:

	January 31, 2017		October 31, 2016
Raw materials	$	26,759	$	26,367
Work-in-process	16,555		16,149
Finished goods	18,783		18,031
Total inventory	$	62,097	$	60,547