Quarterly report [Sections 13 or 15(d)]

Note 6 - Variable Interest Entities (Details Textual)

v3.25.1
Note 6 - Variable Interest Entities (Details Textual)
3 Months Ended
Mar. 31, 2025
Rubicon LLC [Member]  
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage 50.00%
Arabian Amines Company [Member]  
Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage 50.00%