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Note 7 - Intangible Assets (Tables) | 9 Months Ended
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Mar. 31, 2025
Notes Tables |
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
|  | March 31, 2025 |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |  |  | Weighted-Average Remaining Life |
|  | (in thousands) |  |  | (in years) |
Acquired product technology rights |  | $ | 41,268 |  |  | $ | (15,594 | ) |  | $ | 25,674 |  |  |  | 10.1 |
Acquired technology rights |  |  | 30,200 |  |  |  | (7,163 | ) |  |  | 23,037 |  |  |  | 13.0 |
Total intangible assets |  | $ | 71,468 |  |  | $ | (22,757 | ) |  | $ | 48,711 |  |  |  | 11.5 |
|  | June 30, 2024 |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |  |  | Weighted-Average Remaining Life |
|  | (in thousands) |  |  | (in years) |
Acquired product technology rights |  | $ | 41,268 |  |  | $ | (13,184 | ) |  | $ | 28,084 |  |  |  | 10.7 |
Acquired technology rights |  |  | 30,200 |  |  |  | (5,831 | ) |  |  | 24,369 |  |  |  | 13.8 |
Total intangible assets |  | $ | 71,468 |  |  | $ | (19,015 | ) |  | $ | 52,453 |  |  |  | 12.0 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
|  | Estimated Future Amortization Expense |
|  | (in thousands) |
2025 (remaining 3 months) |  | $ | 1,248 |
2026 |  |  | 4,989 |
2027 |  |  | 4,989 |
2028 |  |  | 4,989 |
2029 |  |  | 4,989 |
2030 |  |  | 2,847 |
Thereafter |  |  | 24,660 |
Total future amortization expense |  | $ | 48,711 |

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