Note 5 - Inventories - Schedule of Inventories (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Sep. 30, 2025 |
|---|---|---|
| Finished goods | $ 26,984 | $ 24,180 |
| Work in process | 1,067 | 6,408 |
| Raw materials | 29,683 | 27,245 |
| Obsolescence reserve (net realizable value adjustment) | (7,021) | (9,819) |
| Total | 50,713 | 48,014 |
| Less current portion | 39,572 | 30,901 |
| Non-current portion | $ 11,141 | $ 17,113 |
| X | ||||||||||
- Definition Amount of current and noncurrent inventory. No definition available.
|
| 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
|
| 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/disclosureRef
|
| X | ||||||||||
- Definition Inventories not expected to be converted to cash, sold or exchanged within the normal operating cycle. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| 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
|
| X | ||||||||||
- Definition Amount of valuation reserve for inventory. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| 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
|