Inventories (Tables)

12 Months Ended

Sep. 30, 2017

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventories at September 30 consist of:

	2017		2016
Raw materials and supplies	$	6,108	$	7,724
Work-in-process	7,650		10,459
Finished goods	6,623		10,313
Total inventories	$	20,381	$	28,496