Inventories

12 Months Ended

Sep. 30, 2020

Inventory Disclosure [Abstract]

Inventories

9. Inventories

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

Inventory obsolescence expense totaled approximately $4.7 million and $4.6 million during fiscal years 2020 and 2019, respectively.  Raw materials include semi-finished goods and component parts that totaled approximately $24.3 million and $25.2  million at September 30, 2020 and 2019, respectively.