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Stock Based Compensation (Details 1)
3 Months Ended
Mar. 31, 2020
$ / shares
Weighted average exercise price $ 5.06
Weighted average grant date fair value $ 3.73
Assumptions  
Expected volatility 89.00%
Weighted average expected term (in years) 6 years 3 months 19 days
Expected dividend yield 0.00%
Minimum [Member]  
Assumptions  
Risk-free interest rate 1.46%
Maximum [Member]  
Assumptions  
Risk-free interest rate 1.47%