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

Share capital - Disclosure of outstanding warrants (Details)

v3.19.1
Share capital - Disclosure of outstanding warrants (Details)
shares in Thousands
Dec. 31, 2018
USD ($)
shares
Disclosure of outstanding warrants [Line Items]  
Weighted average excercise price, share warrants outstanding | $ $ 3.07
February 14, 2019 [Member]  
Disclosure of outstanding warrants [Line Items]  
Weighted average excercise price, share warrants outstanding | $ 3.22
December 28, 2021 [Member]  
Disclosure of outstanding warrants [Line Items]  
Weighted average excercise price, share warrants outstanding | $ $ 3.00
United States of America, Dollars  
Disclosure of outstanding warrants [Line Items]  
Number of warrants outstanding | shares 5,261
United States of America, Dollars | February 14, 2019 [Member]  
Disclosure of outstanding warrants [Line Items]  
Number of warrants outstanding | shares 1,738
United States of America, Dollars | December 28, 2021 [Member]  
Disclosure of outstanding warrants [Line Items]  
Number of warrants outstanding | shares 3,523