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v3.20.4

Share-based Compensation - Black-Scholes Option Pricing Model to Estimate the Fair Value of Units Granted (Details) - $ / shares | 10 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] |  |  |
Expected life of units (years) |  | 10 years |
Expected annualized volatility |  | 143.00% |
Bottom of Range |  |  |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] |  |  |
Risk-free interest rate | 1.65% | 0.28% | 1.41%
Expected life of units (years) | 6 months |  | 2 years
Expected annualized volatility | 80.00% |  | 97.00%
Weighted average Black-Scholes value of each unit | $ 1.76 | $ 1.13 | $ 0.67
Top of Range |  |  |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] |  |  |
Risk-free interest rate | 2.05% | 0.29% | 1.88%
Expected life of units (years) | 14 years |  | 10 years
Expected annualized volatility | 106.00% |  | 116.00%
Weighted average Black-Scholes value of each unit | $ 3.81 | $ 1.17 | $ 23.55

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