| Schedule of consolidated net loss | 
  
    | Schedule of consolidated net loss |  |  |  |  |  |  |  
    |  |  | Three Months Ended June 30, |  |  
    |  |  | 2025 |  |  | 2024 |  |  
    | Revenue |  | $ | 589,897 |  |  | $ | 726,404 |  |  
    | Program expenses(1) |  |  | 645,021 |  |  |  | 474,850 |  |  
    | Non-program expenses(2) |  |  | 486,895 |  |  |  | 533,307 |  |  
    | Salaries and wages |  |  | 166,710 |  |  |  | 1,013,547 |  |  
    | Other segment items(3) |  |  | (20,026 | ) |  |  | (21,330 | ) |  
    | Net loss |  | $ | (688,703 | ) |  | $ | (1,273,970 | ) |    
  
    |  |  |  |  |  |  |  |  |  |  
    |  |  | Six Months Ended June 30, |  |  
    |  |  | 2025 |  |  | 2024 |  |  
    | Revenue |  | $ | 1,183,158 |  |  | $ | 1,237,221 |  |  
    | Program expenses(1) |  |  | 1,520,819 |  |  |  | 1,220,522 |  |  
    | Non-program expenses(2) |  |  | 909,410 |  |  |  | 981,453 |  |  
    | Salaries and wages |  |  | 384,816 |  |  |  | 1,521,886 |  |  
    | Other segment items(3) |  |  | (40,043 | ) |  |  | (17,557 | ) |  
    | Net loss |  | $ | (1,591,844 | ) |  | $ | (2,469,083 | ) |    
  
    |  | (1) | Includes external research and development. |  
    |  | (2) | Includes information technology, legal, intellectual property and other general and administrative expenses. |  
    |  | (3) | Includes stock-based compensation expense, interest income and other income (expense). |  |