Note 9 - Stockholders' Equity - Compensation Expense 2 (Details) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Share-Based Payment Arrangement, Expense | $ 1,166,063 | $ 165,352 | $ 2,211,288 | $ 413,453 |
| Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServicesSold | ||||
| Share-Based Payment Arrangement, Expense | 56,442 | 8,610 | 123,045 | 22,193 |
| Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense | ||||
| Share-Based Payment Arrangement, Expense | 509,756 | 77,573 | 989,518 | 186,119 |
| Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense | ||||
| Share-Based Payment Arrangement, Expense | 441,239 | 45,899 | 815,070 | 119,534 |
| Location, Statement of Income, Balance [Axis]: us-gaap:SellingAndMarketingExpense | ||||
| Share-Based Payment Arrangement, Expense | $ 158,626 | $ 33,270 | $ 283,655 | $ 85,607 |