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Fair Value Measurements (Tables)
6 Months Ended 12 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Fair Value Measurements [Abstract]    
Schedule of financial assets and liabilities measured at fair value on a recurring basis
   June 30, 2022 
Description  Fair value   Level 1   Level 2   Level 3 
                 
Short-term equity investment  $39   $39   $
-
   $
-
 

 

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

  

   December 31, 2020 
   Fair value measurements 
                 
Description  Fair value   Level 1   Level 2   Level 3 
                     
Short-term investment  $75   $75   $
-
   $
-