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

Income Tax - Schedule of Deferred Income Tax Assets and Liabilities (Detail)

v3.19.1
Income Tax - Schedule of Deferred Income Tax Assets and Liabilities (Detail) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Non-Capital Losses $ 47,679,897 $ 37,012,271
Qualifying Research and Development expenditures 1,493,309 1,493,309
Share issue costs and other 1,622,533 1,562,116
Total tax assets 50,795,739 40,067,696
Tax assets not recognized (50,795,739) (40,067,696)
Net deferred tax assets $ 0 $ 0