v3.26.1
Note 4 - Property and Equipment (Details Textual) - USD ($)
$ in Millions
3 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Depreciation $ 0.8 $ 0.1
Equipment [Member]    
Long-Lived Asset, Held and Used, Impairment Loss   $ 0.9