Note 6 - Inventories - Schedule of Inventories (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Sep. 30, 2023
Finished goods	$ 17,895	$ 18,555
Work in process	8,122	11,992
Raw materials	27,551	26,832
Obsolescence reserve (net realizable value adjustment)	(11,697)	(14,061)
Inventory, Current and Noncurrent	41,871	43,318
Less current portion	21,839	18,430
Non-current portion	$ 20,032	$ 24,888

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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