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Prepaid Expenses and Other Receivables (Tables)
12 Months Ended
Dec. 31, 2022
Prepaid Expenses and Other Receivables [Abstract]  
Schedule of prepaid expenses and other receivables
    December 31,  
    2021     2022  
             
Government authorities   $ 458     $ 281  
Prepaid expenses     227       784  
Other receivables     22       32  
                 
    $ 707     $ 1,097