v3.26.1
Note 10 - Fair Value - Financial Assets (Details) - Fair Value, Recurring [Member] - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Money Market Funds (included in Cash and cash equivalents) $ 876 $ 1,206
Fair Value, Inputs, Level 1 [Member]    
Money Market Funds (included in Cash and cash equivalents) 876 1,206
Fair Value, Inputs, Level 2 [Member]    
Money Market Funds (included in Cash and cash equivalents) 0 0
Fair Value, Inputs, Level 3 [Member]    
Money Market Funds (included in Cash and cash equivalents) $ 0 $ 0