Note 6 - Inventories - Schedule of Inventory (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022
Raw materials	$ 5,086	$ 5,277
Finished goods	1,029	844
Work in process	1,218	744
Inventories, gross	7,333	6,865
Reserve for obsolescence	(832)	(857)
Inventories, net	$ 6,501	$ 6,008

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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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount of valuation reserve for inventory.

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

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