Inventories (Tables)

3 Months Ended

Jan. 31, 2018

Inventory Disclosure [Abstract]

Inventories

Inventories consisted of the following:

	January 31, 2018		October 31, 2017
Raw materials	$	2,026,422	$	2,287,901
Work in process		1,111,070		1,966,519
Finished goods		273,100		175,228
	$	3,410,592	$	4,429,648