v3.26.1
Note 9 - Temporary Equity and Stockholders' Equity (Deficit) (Tables)
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Notes Tables    
Summary of Common Stock Reserved for Future Issuance [Table Text Block]
  

March 31, 2026

  

December 31, 2025

 

Options issued and outstanding

  7,570,646   7,556,434 

Issued Warrants

  7,710,280   7,710,280 

Available for future grants of equity awards

  10,429,354   10,443,566 

Total

  25,710,280   25,710,280 
  

December 31, 2025

  

December 31, 2024

 

Conversion of Convertible Notes

  -   1,386,344 

Options issued and outstanding

  7,556,434   7,210,742 

Issued Warrants

  7,710,280   - 

Available for future grants of equity awards

  10,443,566   1,183,618 

Total

  25,710,280   9,780,704