Inventories (Tables)

3 Months Ended

Dec. 31, 2017

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories consist of:

	December 31,   2017		September 30,   2017
Raw materials and supplies	$	4,867	$	6,108
Work-in-process	7,129		7,650
Finished goods	7,366		6,623
Total inventories	$	19,362	$	20,381