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

Share Capital - Summary of Options are Granted to Directors, Officers, Employees and Consultants (Detail)

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Share Capital - Summary of Options are Granted to Directors, Officers, Employees and Consultants (Detail)
 12 Months Ended
Dec. 31, 2019
shares
February 14, 2019, options granted to a consultant [member]  
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Grant date/Person entitled February 14, 2019, options granted to a Consultant
Number of Options 40,000
Vesting Conditions Options may vest over a <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">15-month</div> vesting schedule
May 29, 2019, options granted to a Director [member]  
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Grant date/Person entitled May 29, 2019, options granted to a Director
Number of Options 253,000
Vesting Conditions Options vest over a specified vesting period not exceeding 4 years
Contractual life of Options 7 years
June 28, 2019, options granted to an Employee [member]  
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Grant date/Person entitled June 28, 2019, options granted to an Employee
Number of Options 10,000
Vesting Conditions Options vest as to 1/3 of the total number of Options granted, every year from Grant Date
Contractual life of Options 7 years
July 18, 2019, options granted to a Director [Member]  
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Grant date/Person entitled July 18, 2019, options granted to a Director
Number of Options 25,719
Vesting Conditions Options vest immediately
Contractual life of Options 7 years
July 19, 2019, options granted to an Employee [member]  
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Grant date/Person entitled July 19, 2019, options granted to an Employee
Number of Options 467,255
Vesting Conditions Options vest as to 1/4 of the total number of Options granted, every year from Grant Date
Contractual life of Options 7 years
July 19, 2019, options granted to an Consultants [member]  
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Grant date/Person entitled July 19, 2019, options granted to a Consultant
Number of Options 2,165
Vesting Conditions Options vest as to 1/3 of the total number of Options granted, every year from Grant Date
Contractual life of Options 7 years
July 19, 2019, options granted to a Director [Member]  
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Grant date/Person entitled July 19, 2019, options granted to a Director
Number of Options 41,273
Vesting Conditions Options vest immediately
Contractual life of Options 7 years
September 9, 2019, options granted to a Consultant [Member]  
Disclosure of terms and conditions of share-based payment arrangement [line items]  
Grant date/Person entitled September 9, 2019, options granted to a Consultant
Number of Options 40,000
Vesting Conditions Options vest over a 15-month vesting schedule subject to achieving certain milestones.
Contractual life of Options 2.5 years