v3.26.1
Note 1 - General Information - Revenue by Geographic Area (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Revenue $ 343 $ 534 $ 787 $ 829
UNITED STATES        
Revenue 221 487 599 709
Non-US [Member]        
Revenue $ 122 $ 47 $ 188 $ 120