Quarterly report [Sections 13 or 15(d)]

Note 3 - Business Combinations and Acquisitions (Details Textual)

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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   $ 5,000   $ 52,000  
Noncash Prepaid Asset Writeoff   0   $ 71,000  
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   $ 5,000     51,000
Noncash Prepaid Asset Writeoff         $ 71,000