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Stock-based Compensation - Schedule of Fair Value of Option Grant of Weighted-average Assumptions (Details)
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Share-based Payment Arrangement [Abstract]    
Risk-free interest rate 0.51%
Expected life of the options 3 years 6 months
Expected volatility of the underlying stock 70.70%
Expected dividend rate 0.00%