v3.26.1
Note 7 - Investments - Summary of Marketable Securities (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Cash equivalents $ 109,968 $ 110,745
Amortized cost basis 30,298  
Unrealized gains 8  
Unrealized losses 0  
Fair value 30,306  
Unrealized gains 8  
Total assets at fair value 39,741  
Total assets at fair value, unrealized gains 8  
Total assets at fair value, unrealized losses 0  
Total assets at fair value, fair value 39,749  
US Government Agencies Debt Securities [Member]    
Amortized cost basis 24,803  
Unrealized gains 2  
Unrealized losses 0  
Fair value 24,805  
Unrealized gains 2  
Corporate Debt Securities [Member]    
Amortized cost basis 3,545  
Unrealized gains 4  
Unrealized losses 0  
Fair value 3,549  
Unrealized gains 4  
Certificates of Deposit [Member]    
Amortized cost basis 516  
Unrealized gains 1  
Unrealized losses 0  
Fair value 517  
Unrealized gains 1  
Money Market Funds [Member]    
Cash equivalents 4  
Cash equivalents, unrealized gains 0  
Cash equivalents, unrealized loss 0  
Cash equivalents, fair value 4  
US Government Corporations and Agencies Securities [Member]    
Cash equivalents 9,439  
Cash equivalents, unrealized gains 0  
Cash equivalents, unrealized loss 0  
Cash equivalents, fair value 9,439  
Cash Equivalents [Member]    
Cash equivalents 9,443  
Cash equivalents, unrealized gains 0  
Cash equivalents, unrealized loss 0  
Cash equivalents, fair value 9,443  
Commercial Paper [Member]    
Cash equivalents 1,434  
Cash equivalents, unrealized gains 1  
Cash equivalents, unrealized loss 0  
Cash equivalents, fair value $ 1,435