Annual report pursuant to Section 13 and 15(d)

Accrued and Other Current Liabilities - Schedule of Accrued and Other Current Liabilities (Details)

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Accrued and Other Current Liabilities - Schedule of Accrued and Other Current Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Payables And Accruals [Abstract]    
Research and development services $ 2,836 $ 1,294
General and administrative services 180 160
Compensation expense 2,977 2,445
Other 54 38
Accrued and other current liabilities $ 6,047 $ 3,937