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Biological Assets - Summary of Significant Unobservable Inputs and Impact on Fair Value of Biological Assets (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 CAD ($) g $ / kg | Dec. 31, 2019 CAD ($) g $ / kg
Yield per Square Foot of Growing Space |  |
Disclosure Of Reconciliation Of Changes In Biological Assets [Line Items] |  |
Effect of change | $ 347 | $ 1,183
Average Net Selling Price |  |
Disclosure Of Reconciliation Of Changes In Biological Assets [Line Items] |  |
Effect of change | 1,022 | 3,021
After Harvest Cost to Complete and Sell |  |
Disclosure Of Reconciliation Of Changes In Biological Assets [Line Items] |  |
Effect of change | $ 291 | $ 267
Weighted Average Input |  |
Disclosure Of Reconciliation Of Changes In Biological Assets [Line Items] |  |
Yield per square foot of growing space | g | 45 | 47
Average net selling price | $ / kg | 5.13 | 5.47
After harvest cost to complete and sell | $ / kg | 1.32 | 2.34

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