Quarterly report pursuant to Section 13 or 15(d)

Prepaid Expenses and Other Current Assets (Detail)

v3.21.2
Prepaid Expenses and Other Current Assets (Detail) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]    
Prepaid research and development services $ 1,428 $ 1,535
Prepaid insurance 761 362
Other prepaid expenses 481 19
Other receivables 0 2,876
Other current assets 369 373
Total prepaid expenses and other current assets $ 3,039 $ 5,165