v3.26.1
Note 5 - Segment Information (Details Textual)
$ in Thousands
3 Months Ended
Mar. 31, 2026
USD ($)
Mar. 31, 2025
USD ($)
Number of Operating Segments 2  
Share-Based Payment Arrangement, Noncash Expense $ 1,164 $ 2,717
Interest Income, Operating and Nonoperating $ 200 200
Number of Reportable Segments 2  
Mineral Rights Segment [Member]    
Share-Based Payment Arrangement, Noncash Expense $ 100 300
Cash Compensation 100 100
Corporate & Financing Segment [Member]    
Share-Based Payment Arrangement, Noncash Expense 800 2,200
Cash Compensation $ 100 $ 100
Sisecam Wyoming [Member]    
Equity Method Investment, Ownership Percentage 49.00%