Note 6 - Inventories, Net - Schedule of Inventory (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Sep. 30, 2021
Raw materials	$ 8,401	$ 5,449
Finished goods	893	842
Work in process	552	877
Inventories, gross	9,846	7,168
Reserve for obsolescence	(704)	(752)
Inventories, net	$ 9,142	$ 6,416

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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