Note G - Economic Dependency - Substantial Net Purchase From Certain Suppliers (Details) - Supplier Concentration Risk [Member] - Raw Material Purchases [Member] - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Raw Material Purchases by Supplier | $ 0 | $ 3,074 | $ 0 | $ 11,002 |
| Supplier 1 [Member] | ||||
| Raw Material Purchases by Supplier | $ 3,074 | $ 11,002 | ||