Quarterly report pursuant to Section 13 or 15(d)

Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Detail)

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Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Detail) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]    
Prepaid research and development services $ 753 $ 247
Prepaid insurance 206 505
Other prepaid expenses 2,956 2,813
Other current assets 4 4
Total prepaid expenses and other current assets $ 3,919 $ 3,569