v3.25.2
Note 2 - Summary of Significant Accounting Policies - Revenue by Geographic Area (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Revenue $ 1,049 $ 1,664
UNITED STATES    
Revenue 730 0
Non-US [Member]    
Revenue $ 319 $ 1,664