Inventories (Tables)

6 Months Ended

Mar. 31, 2022

Inventory Disclosure [Abstract]

Inventories

Inventories consist of the following (in thousands):

	March 31, 2022			September 30, 2021
Finished goods	$	19,926		$	19,368
Work in process		3,507			8,247
Raw materials		45,984			43,620
Obsolescence reserve		(36,709	)		(36,936	)
		32,708			34,299
Less current portion		18,325			16,196
Non-current portion	$	14,383		$	18,103