License and Patent Agreements - Additional Information (Detail) - CAD ($)	1 Months Ended			12 Months Ended
	Nov. 30, 2016	Jun. 30, 2014	Aug. 31, 2009	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Biolipox AB [Member]
Patent Licenses [Line Items]
Value of common stock shares issued for license fee			$ 250,000
Payment of milestone	$ 3,000,000
Amount of development milestones payment			3,000,000
Additional milestone payment payable			1,500,000
Biolipox AB [Member] | License [Member]
Patent Licenses [Line Items]
License agreement			$ 50,000
Biolipox AB [Member] | Goods and Services Exchanged for Equity Instrument [Member]
Patent Licenses [Line Items]
Number of common stock issued for payment for achievement of milestone		19,762
SHIP1 Product Candidates [Member] | First Drug Product [Member]
Patent Licenses [Line Items]
Amount of development milestones payment				$ 2,200,000
SHIP1 Product Candidates [Member] | Subsequent Drug Product [Member]
Patent Licenses [Line Items]
Amount of development milestones payment				1,500,000
SHIP1 Product Candidates [Member] | License and Maintenance [Member]
Patent Licenses [Line Items]
License agreement				$ 1,000	$ 1,000
SHIP1 Enzyme and Screening of Product Candidates [Member]
Patent Licenses [Line Items]
License agreement expiration period				20 years
SHIP1 Enzyme and Screening of Product Candidates [Member] | License and Maintenance [Member]
Patent Licenses [Line Items]
License agreement				$ 5,000	$ 5,000	$ 5,000