Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Additional Information (Detail)

v3.20.1
Summary of Significant Accounting Policies - Additional Information (Detail)
12 Months Ended
Dec. 31, 2019
Summary of Significant Accounting Policies [line items]  
Interest rates 1.00%
Discount rate 6.00%
Stock options vesting period 7 years