Note I - Stockholders' Equity (Details Textual) - USD ($) $ in Millions |
12 Months Ended | |||
|---|---|---|---|---|
Jan. 14, 2022 |
Mar. 12, 2021 |
Sep. 18, 2020 |
Jun. 30, 2026 |
|
| Stock Repurchase Program, Additional Authorized Amount | $ 3.0 | $ 3.0 | $ 2.0 | |
| Share Repurchase Program, Authorized, Amount | $ 18.0 | $ 15.0 | $ 12.0 | |
| Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | $ 0.5 | |||
| Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) | 2 years 1 month 6 days |