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Note E - Leases (Details Textual) $ in Thousands | Sep. 30, 2025 USD ($) | Jun. 30, 2025 USD ($) | Jan. 26, 2024 USD ($) | Jan. 22, 2024 | Jul. 18, 2023 USD ($) a
--- | --- | --- | --- | --- | ---
Operating Lease, Right-of-Use Asset | $ 40,420 | $ 41,054 |  |  |
Operating Lease, Weighted Average Remaining Lease Term (Year) | 8 years 3 months 18 days | 8 years 7 months 6 days |  |  |
Operating Lease, Weighted Average Discount Rate, Percent | 5.94% | 5.94% |  |  |
Extension on Manufacturing Facilities Lease [Member] |  |  |  |  |
Operating Lease, Right-of-Use Asset |  |  |  |  | $ 25,900
Early Termination of Manno, Switzerland Apartment Lease [Member] |  |  |  |  |
Operating Lease, Right-of-Use Asset |  |  | $ 300 |  |
New Apartment in Lugano, Switzerland [Member] |  |  |  |  |
Lessee, Operating Lease, Term of Contract (Month) |  |  |  | 27 months |
California 1 [Member] |  |  |  |  |
Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract (Year) |  |  |  |  | 10 years 4 months 24 days
Area of Real Estate Property (Acre) | a |  |  |  |  | 162,000
Operating Lease, Base Rent Per Square Foot |  |  |  |  | 1.5
Tenant Improvements |  |  |  |  | $ 2,300
California 1 [Member] | Reimbursements For Tenant Improvements [Member] |  |  |  |  |
Tenant Improvements |  |  |  |  | $ 1,100
Manno, Switzerland [Member] |  |  |  |  |
Operating Lease, Weighted Average Remaining Lease Term (Year) |  |  | 9 years 7 months 28 days |  |

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