v3.26.1
Note 4 - Intangible Assets (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Intangible Asset, Finite-Lived, Amortization Expense $ 300,000 $ 300,000 $ 600,000 $ 600,000