Annual report pursuant to Section 13 and 15(d)

Components of Prepaid Expenses and Other Current Assets (Detail)

v3.21.1
Components of Prepaid Expenses and Other Current Assets (Detail) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Prepaid Expense And Other Assets Current [Abstract]    
Prepaid insurance $ 947 $ 799
Receivable for warrants exercised 1,498 0
Other 573 364
Prepaid expenses and other current assets $ 3,018 $ 1,163