v3.26.1
Cash Equivalents (Schedule of Cash Equivalents) (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Dec. 31, 2024
Cash And Cash Equivalents [Line Items]        
Cash equivalents $ 18,738 $ 2,998 $ 9,534 $ 40,437
Cost [Member]        
Cash And Cash Equivalents [Line Items]        
Cash equivalents 436 417    
Cost [Member] | Institutional Money Market Funds [Member]        
Cash And Cash Equivalents [Line Items]        
Cash equivalents 436 417    
Estimated Fair Value [Member]        
Cash And Cash Equivalents [Line Items]        
Cash equivalents 436 417    
Estimated Fair Value [Member] | Institutional Money Market Funds [Member]        
Cash And Cash Equivalents [Line Items]        
Cash equivalents $ 436 $ 417