Inventories (Tables)

6 Months Ended

Mar. 31, 2017

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories consist of:

	March 31,   2017		September 30,   2016
Raw materials and supplies	$	5,721	$	7,724
Work-in-process	10,122		10,459
Finished goods	9,606		10,313
Total inventories	$	25,449	$	28,496