Annual report [Section 13 and 15(d), not S-K Item 405]

Summary of Significant Accounting Policies (Details - Marketable securities)

v3.26.1
Summary of Significant Accounting Policies (Details - Marketable securities) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Platform Operator, Crypto Asset [Line Items]    
Investments in marketable securities $ 3,978 $ 2,029
Investment in equity interest 5,481  
Foreign currency forward contracts (43)  
U.S. Treasury [Member]    
Platform Operator, Crypto Asset [Line Items]    
Investments in marketable securities 3,978  
Investment in YFE [Member]    
Platform Operator, Crypto Asset [Line Items]    
Investment in equity interest 5,481  
Foreign Currency Forward Contracts [Member]    
Platform Operator, Crypto Asset [Line Items]    
Foreign currency forward contracts (43)  
Fair Value, Inputs, Level 1 [Member]    
Platform Operator, Crypto Asset [Line Items]    
Investments in marketable securities 3,978  
Investment in equity interest 0  
Foreign currency forward contracts 0  
Fair Value, Inputs, Level 1 [Member] | U.S. Treasury [Member]    
Platform Operator, Crypto Asset [Line Items]    
Investments in marketable securities 3,978  
Fair Value, Inputs, Level 1 [Member] | Investment in YFE [Member]    
Platform Operator, Crypto Asset [Line Items]    
Investment in equity interest 0  
Fair Value, Inputs, Level 1 [Member] | Foreign Currency Forward Contracts [Member]    
Platform Operator, Crypto Asset [Line Items]    
Foreign currency forward contracts 0  
Fair Value, Inputs, Level 2 [Member]    
Platform Operator, Crypto Asset [Line Items]    
Investments in marketable securities 0  
Investment in equity interest 5,481  
Foreign currency forward contracts (43)  
Fair Value, Inputs, Level 2 [Member] | U.S. Treasury [Member]    
Platform Operator, Crypto Asset [Line Items]    
Investments in marketable securities 0  
Fair Value, Inputs, Level 2 [Member] | Investment in YFE [Member]    
Platform Operator, Crypto Asset [Line Items]    
Investment in equity interest 5,481  
Fair Value, Inputs, Level 2 [Member] | Foreign Currency Forward Contracts [Member]    
Platform Operator, Crypto Asset [Line Items]    
Foreign currency forward contracts $ (43)