Note 1 - General, Basis of Presentation, and Summary of Significant Accounting Policies 2 (Details Textual) - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-07-01 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|---|---|---|
| Revenue, Remaining Performance Obligation, Percentage | 88.00% | |
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period (Month) | 12 months | 5 years |