Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Information related to Right-of-use Assets and Liabilities (Detail)

v3.21.1
Commitments and Contingencies - Information related to Right-of-use Assets and Liabilities (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Commitments And Contingencies Disclosure [Abstract]    
Cash paid for operating lease liabilities $ 489 $ 797
Right-of-use assets obtained in exchange for new operating lease obligations $ 1,976 $ 803
Weighted-average remaining lease term 4 years 9 months 18 days 7 months 6 days
Weighted-average discount rate 12.30% 12.80%