Registration statement for securities of certain foreign private issuers

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
Disclosure of summary of significant accounting policies [abstract]  
Interest rates 1.00%
Discount rate 6.00%
Stock options vesting period 7 years