v3.26.1
Note 5 - 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 $ 40,000 $ 1,000,000 $ 100,000 $ 1,100,000