Inventories (Tables)

3 Months Ended

Dec. 31, 2018

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories consist of:

	December 31,   2018		September 30,   2018
Raw materials and supplies	$	4,236	$	6,202
Work-in-process	4,235		6,626
Finished goods	3,342		5,441
Total inventories	$	11,813	$	18,269