v3.26.1
Fair value measurement (Tables)
3 Months Ended
Mar. 31, 2026
Fair Value Disclosures [Abstract]  
Schedule of Fair Value Assets

The following tables sets forth by level, within the fair value hierarchy, the Company’s assets and liabilities at fair value (in thousands of dollars):

 

   Level 1   Level 2   Level 3   Total 
   March 31, 2026 
   Level 1   Level 2   Level 3   Total 
Assets:                    
Money market funds *  $1   $   $   $1 
                     
Liabilities:                    
Derivative liability – conversion feature on note  $   $   $398    398 

 

   Level 1   Level 2   Level 3   Total 
   December 31, 2025 
   Level 1   Level 2   Level 3   Total 
Assets:                    
Money market funds *  $1   $   $   $1 
                     
Liabilities:                    
Derivative liability – conversion feature on note  $   $   $171    171 

 

* Included in cash and cash equivalents on the consolidated balance sheets.