Note 10 - Inventories - Components of Inventory (Details) - USD ($)	Jun. 30, 2024	Sep. 30, 2023
Raw materials	$ 59,968,000	$ 73,657,000
Work-in-process	3,206	1,462,000
Finished goods	27,399,000	29,696,000
Inventories, gross	90,573,000	104,815,000
Inventory reserve	(15,704,000)	(6,760,000)
Inventories, net	$ 74,869,000	$ 98,055,000

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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