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Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2022
Fair Value Disclosures [Abstract]  
Schedule of financial assets and liabilities measured at fair value on a recurring basis
   December 31, 2022 
   Fair value measurements 
Description   Fair value    Level 1    Level 2    Level 3 
                     
Short-term investment  $8   $8   $
-
   $
-
 

 

   December 31, 2021 
   Fair value measurements 
Description   Fair value    Level 1    Level 2    Level 3 
                     
Short-term investment  $237   $237   $
-
   $
-