v3.26.1
Note 6 - Convertible Promissory Note Due to Novartis (Tables)
12 Months Ended
Dec. 31, 2025
Notes Tables  
Convertible Debt [Table Text Block]
  

December 31,

    
  

2025

  

2024

 

Convertible promissory note, opening balance

 $1,350  $1,300 

Less debt discount, opening

      

Plus, accretion of debt discount, interest expense

      

Convertible promissory note, net of discount

  1,350   1,300 

Interest accretion, opening

      

Interest accrual, expense

  50   50 

Convertible promissory note, ending balance

 $1,400  $1,350