Inventory (Tables)

3 Months Ended

Dec. 31, 2017

Inventory Disclosure [Abstract]

Components of Inventory

The components of inventories are as follows, in thousands:

	December 31, 2017		September 30, 2017
Purchased parts and raw materials	$	13,628	$	14,789
Work-in-process	5,806		11,078
Finished goods	3,328		4,343
	$	22,762	$	30,210