Annual reports filed by certain Canadian issuers pursuant to Section 15(d) and Rule 15d-4

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Detail)

v3.21.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Detail) - USD ($)
1 Months Ended 12 Months Ended
Jun. 03, 2020
Oct. 28, 2020
Dec. 31, 2020
Dec. 31, 2019
Disclosure Of Summary Of Significant Accounting Policies [line items]        
Interest rates     1.00%  
Discount rate     6.00% 6.00%
Stock options vesting period     7 years  
Medtronic [Member]        
Disclosure Of Summary Of Significant Accounting Policies [line items]        
Amount received for license $ 31,000,000 $ 21,000,000    
Patents Rights [Member]        
Disclosure Of Summary Of Significant Accounting Policies [line items]        
Useful lives     20 years