v3.26.3
Note 2 - Summary of Significant Accounting Policies - Revenue by Geographic Area (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Revenue $ 913 $ 1,049 $ 913 $ 1,049
UNITED STATES        
Revenue 686 730    
Non-US [Member]        
Revenue $ 227 $ 319