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

Contingencies (Details)

v3.20.4
Contingencies (Details) - CAD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Disclosure of contingent liabilities [line items]    
Royalty payment on sales revenue, percent 0.50%  
Royalty payment maximum $ 20,000  
SYNSORB    
Disclosure of contingent liabilities [line items]    
Milestone payment in connection with Share Purchase Agreement $ 1,000,000.0  
Payment due period 90 days  
Royalty payment due to founding shareholders, percent 10.75% 10.75%
Royalty payment on net sales due to founding shareholders, percent 2.15% 2.15%