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Stock-Based Compensation - Schedule of Weighted Average Assumptions on Grant Date Fair Value for Options Granted (Details) - Stock Option
9 Months Ended
Sep. 30, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Expected term (in years) 5 years 4 months 24 days
Risk-free rate 0.22%
Expected volatility 86.20%
Expected dividend yield 0.00%