v3.26.1
Balance sheet components (Tables)
 6 Months Ended
Jun. 30, 2026
Balance Sheet Components [Abstract]  
Schedule of prepaid expenses [Table Text Block]
    June 30, 2026     December 31, 2025  
Insurance $ 109,405   $ 345,084  
Contract research organizations   390,000     410,000  
Professional services   330,400     300,033  
Prepaid services   977,656     31,004  
  $ 1,807,461   $ 1,086,121  
Schedule of accrued expenses and other current liabilities [Table Text Block]
    June 30, 2026     December 31, 2025  
Accrued legal fees $ 110,976   $ 352,864  
Accrued compensation and benefits   195,082     300,181  
Accrued other   1,949     342,245  
  $ 308,007   $ 995,290