Inventories (Tables)

9 Months Ended

Jun. 30, 2021

Inventory Disclosure [Abstract]

Inventories

Inventories consist of the following (in thousands):

	June 30, 2021			September 30, 2020
Finished goods	$	19,481		$	20,798
Work in process		4,428			984
Raw materials		44,530			47,041
Obsolescence reserve		(35,118	)		(34,960	)
		33,321			33,863
Less current portion		(15,170	)		(16,933	)
Non-current portion	$	18,151		$	16,930