Note 1 - Summary of Significant Accounting Policies - Components of Inventory (Details) - USD ($) $ in Thousands |
Sep. 30, 2023 |
Sep. 30, 2022 |
|---|---|---|
| Raw materials | $ 73,657 | $ 69,142 |
| Work-in-process | 1,462 | 4,592 |
| Finished goods | 29,696 | 10,803 |
| Inventories, gross | 104,815 | 84,537 |
| Inventory reserve | (6,760) | (2,329) |
| Inventories, net | $ 98,055 | $ 82,208 |
| X | ||||||||||
- Definition Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition 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. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of valuation reserve for inventory. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition 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. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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