Inventories (Tables)

6 Months Ended

Apr. 30, 2018

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories consist of the following:

	April 30, 2018		October 31, 2017
Raw materials	$	26,067	$	23,389
Work-in-process	23,123		18,653
Finished goods	20,522		19,770
Total inventory	$	69,712	$	61,812