v3.26.1
Note 15 - Fair Value of Financial Instruments (Tables)
12 Months Ended
Dec. 31, 2025
Notes Tables  
Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]

As of December 31, 2024

KEUR

 

Level 1

Level 2

Level 3

Total

Liabilities:

       

Convertible notes payable at fair value

   

24,035

24,035

Total Liabilities

   

24,035

24,035

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
   

Convertible Notes
Payable at Fair Value

 
   

KEUR

 

Balance December 31, 2023

    25,629  

Proceeds from new borrowings

    7,000  

Changes resulting from foreign exchange rates and other

    329  

Fair value measurement (gain)/loss

    (8,923 )

Balance December 31, 2024

    24,035  

Proceeds from new borrowings

    5,990  

Changes resulting from foreign exchange rates and other

    (446 )

Fair value measurement (gain)/loss

    (11,108 )

Exchange for preferred stock September 5, 2025

    (18,471 )

Balance December 31, 2025

    -