v3.26.1
Note 7 - Property and Equipment, Net (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Depreciation $ 5 $ 3
Discontinued Operations [Member] | ClearUP [Member]    
Disposal Group, Including Discontinued Operation, Inventory $ 117