Inventories (Tables)

12 Months Ended

Sep. 30, 2018

Inventory Disclosure [Abstract]

Inventories

Inventories consisted of the following (in thousands):

	AS OF SEPTEMBER 30,
	2018			2017
Finished goods	$	18,802		$	33,690
Work in process		7,926			2,512
Raw material		54,290			70,099
Obsolescence reserve		(30,551	)		(29,614	)
		50,467			76,687
Less current portion		18,812			20,752
Non-current portion	$	31,655		$	55,935