Note 8 - Share-based Compensation (Details Textual) $ in Thousands |
3 Months Ended |
|---|---|
|
Jun. 30, 2025
USD ($)
| |
| Restricted Stock Units (RSUs) [Member] | |
| Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount | $ 0 |
| Employees, Non-employees and Non-employee Directors [Member] | |
| Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount | $ 422,000,000 |
| Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition | 1 year 8 months 12 days |