Inventory

3 Months Ended

Dec. 31, 2019

Inventory Disclosure [Abstract]

Inventory Disclosure [Text Block]

10. INVENTORY

Inventories consist of the following components:

	December 31,		September 30,
	2019		2019
Raw materials	$	3,863	$	4,104
Work in process		5,431		6,301
Finished goods		1,358		1,861
Parts and supplies		9,209		9,277
Total inventories	$	19,861	$	21,543