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Contingencies (Details) - CAD ($)
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Disclosure of contingent liabilities [line items]    
Royalty payment on sales revenue, percent 0.50%  
Royalty payment maximum $ 20,000  
Royalty, multiple of work in kind contribution 2  
Estimated accumulated work in kind total $ 301,000  
SYNSORB    
Disclosure of contingent liabilities [line items]    
Milestone payment in connection with Share Purchase Agreement $ 1,000,000  
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%