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Restricted Cash (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Restricted Cash [Abstract]    
Restricted cash $ 198 $ 998
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted cash 198 $ 998
Guaranteed Investment Certificate    
Restricted Cash [Abstract]    
Restricted cash 200  
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted cash 200  
Money Market Funds    
Restricted Cash [Abstract]    
Restricted cash 800  
Restricted Cash and Cash Equivalents Items [Line Items]    
Restricted cash $ 800