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Stock Based Compensation - Schedule of assumptions for fair value of options at the date of the grant (Details)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Share-based Payment Arrangement, Noncash Expense [Abstract]    
Expected option life 3 years 3 years 8 months 12 days
Weighted average risk-free interest rate 2.00% 2.20%
Weighted average expected volatility 35.00% 36.00%
Expected dividend yield 0.00% 0.00%