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Prepaid Expenses and Other Current Assets - Summary of Schedule of Prepaid and Other Current Assets (Detail) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Prepaid Expense And Other Assets Current [Abstract]    
Prepaid expenses $ 285 $ 64
Other current assets 26 26
Total prepaid expenses and other current assets $ 311 $ 90