Note 6 - Inventories - Schedule of Inventories (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Sep. 30, 2022
Finished goods	$ 17,681	$ 14,653
Work in process	7,331	6,230
Raw materials	29,046	25,609
Obsolescence reserve (net realizable value adjustment)	(16,073)	(13,971)
Inventory, Current and Noncurrent	37,985	32,521
Less current portion	20,477	19,995
Non-current portion	$ 17,508	$ 12,526

Amount of current and noncurrent inventory.

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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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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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Inventories not expected to be converted to cash, sold or exchanged within the normal operating cycle.

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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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