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Share Based Payments - Summary of Weighted Average Assumptions Used to Estimate Weighted Average Grant Date Fair Value of Stock Options Granted (Details)
12 Months Ended
Dec. 31, 2020
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Risk-free interest rate 0.38%
Expected life (years) 4 years 9 months 10 days
Annualized volatility 143.00%
Dividend yield 0.00%