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Cash, Cash Equivalents and Restricted Cash (Tables)
12 Months Ended
Dec. 31, 2021
Cash and Cash Equivalents [Abstract]  
Schedule of Cash, Cash Equivalents, and Restricted Cash
    
December 31,
 
    
2021
    
2020
 
Cash and cash equivalents
   $ 22,802      $ 28,575  
Restricted balance for loan agreement
     4,000        —    
Letters of credit
     101        131  
Security for credit cards
     50        50  
    
 
 
    
 
 
 
Total cash, cash equivalents and restricted cash shown in the statement of cash flows
   $ 26,953      $ 28,756