Inventory

9 Months Ended

Jun. 30, 2017

Inventory Disclosure [Abstract]

Inventory Disclosure

10. INVENTORY

Inventories consist of the following components:

	June 30,		September 30,
	2017		2016
Raw materials	$	3,354	$	2,538
Work in process		5,031		4,158
Finished goods		1,590		1,558
Parts and supplies		9,011		4,982
Total inventories	$	18,986	$	13,236