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Note 3 - Business Combinations and Acquisitions (Details Textual) - USD ($) $ in Thousands |  | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jan. 31, 2024 | Mar. 31, 2025 | Sep. 30, 2024 | Jun. 30, 2026 | Jun. 30, 2025 | Dec. 31, 2024
Proceeds From Return of Investment |  |  |  | $ 0 | $ 41,000 |
Gain (Loss) on Asset Acquisition, Net |  |  |  | $ (0) | $ 5,000 |
Shanghai Lianheng Isocyanate Company Ltd. (“SLIC”) [Member] |  |  |  |  |  |
Asset Acquisition, Consideration Transferred | $ 218,000 |  |  |  |  |
Proceeds From Return on Investment and Return of Investment |  | $ 41,000 | $ 64,000 |  |  |
Proceeds from Dividends Received |  |  | 34,000 |  |  |
Proceeds From Return of Investment |  |  | $ 30,000 |  |  |
Asset Acquisition, Costs |  |  |  |  |  | $ 0
Gain (Loss) on Asset Acquisition, Net | 51,000 | $ 5,000 |  |  |  |
Noncash Prepaid Asset Writeoff | $ 71,000 |  |  |  |  |

X
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- 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. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 805 -SubTopic 50 -Name Accounting Standards Codification -Section 55 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479908/805-50-55-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 50 -Name Accounting Standards Codification -Section 25 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480060/805-50-25-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 50 -Name Accounting Standards Codification -Section 30 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480027/805-50-30-1 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 50 -Name Accounting Standards Codification -Section 30 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480027/805-50-30-2 + Details
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