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Fair Value of Financial Instruments (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Fair Value of Financial Instruments    
Marketable equity securities $ 294 $ 1,322
Kinross call options   67
Assets    
Short-term investments 7,573 4,523
Level 1 [Member]    
Fair Value of Financial Instruments    
Marketable equity securities 294 1,322
Kinross call options   67
Assets    
Short-term investments 7,573 4,523
Level 2 [Member]    
Fair Value of Financial Instruments    
Marketable equity securities 0 0
Kinross call options   0
Assets    
Short-term investments 0 0
Level 3 [Member]    
Fair Value of Financial Instruments    
Marketable equity securities 0 0
Kinross call options   0
Assets    
Short-term investments $ 0 $ 0