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Accrued and Other Liabilities - Schedule of accrued and other current liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Accrued and Other Current Liabilities [Abstract]    
Accrued research and development $ 1,896 $ 2,310
Accrued legal and professional fees 367 233
Other current liabilities 558 634
Accrued and other current liabilities $ 2,821 $ 3,177