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Share Capital (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
CAD ($)
shares
September 2020 Offering  
DisclosureOfShareCapitalLineItems [Line Items]  
Number of flow-through shares issued | shares 5,000,000
Flow-through shares issued, impact on share capital | $ $ 17,500
Flow-through share premium liability | shares 0
Flow-through share premium liability, impact on share capital | $ $ (7,500)
Number of common shares issued | shares 2,750,000
Common shares issued, impact on share capital | $ $ 5,500
Cash share issue costs | shares 0
Cash share issue costs, impact on share capital | $ $ (1,518)
Proceeds net of share issue costs | shares 7,750,000
Proceeds net of share issue costs, impact on share capital | $ $ 13,982
February 2020 Offering  
DisclosureOfShareCapitalLineItems [Line Items]  
Number of common shares issued | shares 6,333,984
Common shares issued, impact on share capital | $ $ 15,000
Cash share issue costs | shares 0
Cash share issue costs, impact on share capital | $ $ (247)
Proceeds net of share issue costs | shares 6,333,984
Proceeds net of share issue costs, impact on share capital | $ $ 14,753