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v3.25.3

Note 1 - General Information (Tables) | 3 Months Ended
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Sep. 30, 2025
Notes Tables |
Revenue from External Customers by Geographic Areas [Table Text Block] |
Revenue by Segment (In thousands) |  | September 30, 2025 |  |  | September 30, 2024 |
United States |  | $ | 256 |  |  | $ | — |
Foreign Countries |  |  | 41 |  |  |  | 34 |
Total Revenue |  | $ | 297 |  |  | $ | 34 |
Disaggregation of Revenue [Table Text Block] |
(In thousands) |  | September 30, 2025 |  |  | September 30, 2024 |
Training Revenue |  | $ | 20 |  |  |  | — |
Grant Revenue |  |  | 234 |  |  |  | — |
Service Revenue |  |  | 30 |  |  |  | 9 |
Warranty Revenue |  |  | 13 |  |  |  | 25 |
Total Revenue |  | $ | 297 |  |  | $ | 34 |

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