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Inventories (Tables)

12 Months Ended

Sep. 30, 2020

Inventory Disclosure [Abstract]

Inventories consisted of the following (in thousands):

		AS OF SEPTEMBER 30,
		2020				2019
Finished goods		$	20,798			$	17,967
Work in process			984				3,681
Raw materials			47,041				55,781
Obsolescence reserve			(34,960	)			(32,050	)
			33,863				45,379
Less current portion			16,933				23,855
Non-current portion		$	16,930			$	21,524