Warrants - Summary of Warrants Outstanding And Exercisable (Details)	Jun. 30, 2021 $ / shares shares	Jun. 30, 2021 $ / shares shares	Dec. 31, 2020 shares
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	39,779,765	39,779,765	42,772,992
Exercise Price $1.00
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	7,000,000	7,000,000
Exercise Price | $ / shares	$ 1.00
Expiry Date	Nov. 21, 2021	Nov. 21, 2021
Exercise Price $1.33
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	4,511,278	4,511,278
Exercise Price | $ / shares	$ 1.33
Expiry Date	Nov. 21, 2021	Nov. 21, 2021
Exercise Price $1.99
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	2,010,050	2,010,050
Exercise Price | $ / shares	$ 1.99
Expiry Date	Nov. 21, 2021	Nov. 21, 2021
Exercise Price CAD 0.90
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	10,469,350	10,469,350
Exercise Price | $ / shares		$ 0.90
Expiry Date	Nov. 23, 2022	Nov. 23, 2022
Exercise Price CAD 0.70
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	298,085	298,085
Exercise Price | $ / shares		$ 0.70
Expiry Date	Nov. 23, 2022	Nov. 23, 2022
Exercise Price $0.82
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	12,135,922	12,135,922
Exercise Price | $ / shares	$ 0.82
Expiry Date	Dec. 17, 2022	Dec. 17, 2022
Exercise Price $0.67
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	2,230,080	2,230,080
Exercise Price | $ / shares	$ 0.67
Expiry Date	Jan. 29, 2023	Jan. 29, 2023
Exercise Price CAD 0.80
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	625,000	625,000
Exercise Price | $ / shares		$ 0.80
Expiry Date	Oct. 06, 2024	Oct. 06, 2024
Exercise Price CAD 0.80
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	500,000	500,000
Exercise Price | $ / shares		$ 0.80
Expiry Date	Oct. 06, 2025	Oct. 06, 2025