v3.26.1
Note 6 - Concentrations - Summary of Long-lived Assets by Area (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Property and equipment, net $ 162 $ 183
UNITED STATES    
Property and equipment, net 154 174
Non-US [Member]    
Property and equipment, net $ 8 $ 9