Inventories (Tables)

9 Months Ended

Jun. 30, 2017

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories consist of:

	June 30,   2017		September 30,   2016
Raw materials and supplies	$	6,580	$	7,724
Work-in-process	8,826		10,459
Finished goods	8,392		10,313
Total inventories	$	23,798	$	28,496