v3.26.1
Note 2 - Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Revenue from Contract with Customer, Excluding Assessed Tax $ 819 $ 420
UNITED STATES    
Revenue from Contract with Customer, Excluding Assessed Tax 655 278
Europe [Member]    
Revenue from Contract with Customer, Excluding Assessed Tax $ 164 $ 142