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Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2023
Accounting Policies [Abstract]  
Schedule of Cash, Cash Equivalents and Restricted Cash Balances Reported in the Statements of Cash Flows The following table provides a reconciliation of the cash and cash equivalents balances reported on the balance sheets and the cash, cash equivalents and restricted cash balances reported in the statements of cash flows:
   June 30, 
   2022   2023 
   Unaudited 
         
Cash and cash equivalents, as reported on the balance sheets  $11,571   $855 
Restricted cash, as reported on the balance sheets   792    834 
           
Cash, cash equivalents, and restricted cash, as reported in the statements of cash flows  $12,263   $1,689