Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies (Details)

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Significant Accounting Policies (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Mar. 31, 2021
Dec. 31, 2020
Accounting Policies [Abstract]        
Cash and cash equivalents $ 40,407 $ 6,384 $ 17,726  
Restricted cash 736 2,736 519  
Cash and cash equivalents and restricted cash $ 41,143 $ 9,120 $ 18,245 $ 5,262