XML 88 R67.htm IDEA: XBRL DOCUMENT v3.20.2
Share-based Payments - Summary of Changes in Warrants (Details) - Warrants - $ / shares
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Weighted average exercise price (C$)    
Balance at beginning of period (in dollars per share) $ 0.26 $ 0.26
Exercise of warrants (in dollars per share)   0.36
Balance at end of period (in dollars per share) $ 0.26 $ 0.22
Number of awards    
Balance at beginning of period (in shares) 18,066,662 25,457,623
Exercise of warrants (in shares)   (7,390,961)
Balance at end of period (in shares) 18,066,662 18,066,662