Note 10 - Stock Incentive Plan and Employee Stock Purchase Plan - Schedule of Share-based Compensation Charges 2 (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Share-Based Payment Arrangement, Expense | $ 6,455 | $ 10,201 |
| Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense | ||
| Share-Based Payment Arrangement, Expense | 4,051 | 5,183 |
| Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense | ||
| Share-Based Payment Arrangement, Expense | 673 | 1,508 |
| Location, Statement of Income, Balance [Axis]: us-gaap:SellingAndMarketingExpense | ||
| Share-Based Payment Arrangement, Expense | 789 | 2,167 |
| Product [Member] | Location, Statement of Income, Balance [Axis]: us-gaap:CostOfRevenue | ||
| Share-Based Payment Arrangement, Expense | 349 | 634 |
| Service [Member] | Location, Statement of Income, Balance [Axis]: us-gaap:CostOfRevenue | ||
| Share-Based Payment Arrangement, Expense | $ 593 | $ 709 |