Note 3 - Business Combinations and Acquisitions (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
Jan. 31, 2024 |
Mar. 31, 2025 |
Sep. 30, 2024 |
Mar. 31, 2024 |
Dec. 31, 2024 |
|
| Gain (Loss) on Asset Acquisition, Net | Ìý | $ 5,000 | Ìý | $ 52,000 | Ìý |
| Noncash Prepaid Asset Writeoff | Ìý | 0 | Ìý | $ 71,000 | Ìý |
| Shanghai Lianheng Isocyanate Company Ltd. (“SLICâ€�) [Member] | Ìý | Ìý | Ìý | Ìý | Ìý |
| Asset Acquisition, Consideration Transferred | $ 218,000 | Ìý | Ìý | Ìý | Ìý |
| Proceeds From Return on Investment and Return of Investment | Ìý | 41,000 | $ 64,000 | Ìý | Ìý |
| Proceeds from Dividends Received | Ìý | Ìý | 34,000 | Ìý | Ìý |
| Proceeds From Return of Investment | Ìý | Ìý | $ 30,000 | Ìý | Ìý |
| Asset Acquisition, Costs | Ìý | Ìý | Ìý | Ìý | $ 0 |
| Gain (Loss) on Asset Acquisition, Net | Ìý | $ 5,000 | Ìý | Ìý | 51,000 |
| Noncash Prepaid Asset Writeoff | Ìý | Ìý | Ìý | Ìý | $ 71,000 |
| X | ||||||||||
- Definition Amount of costs related to asset acquisition. No definition available.
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| X | ||||||||||
- Definition Amount of gain (loss) on acquisition of assets, net. No definition available.
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| X | ||||||||||
- Definition Amount of write-off of prepaid asset. No definition available.
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| X | ||||||||||
- Definition The amount of cash inflow from a return of investment. No definition available.
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| X | ||||||||||
- Definition The amount of cash inflow from both a return on investment and a return of investment. No definition available.
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| X | ||||||||||
- Definition Amount of consideration transferred in asset acquisition. Includes, but is not limited to, cash, liability incurred by acquirer, and equity interest issued by acquirer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Dividends received on equity and other investments during the current period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Details
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