v3.26.3
Note 10 - Commitments and Contingencies (Details Textual) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Feb. 28, 2022
Operating Lease, Weighted Average Discount Rate, Percent         10.00%
Operating Lease, Expense $ 29,000 $ 28,600 $ 87,900 $ 86,100