Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details 2)

v3.20.2
Stock-Based Compensation (Details 2) - $ / shares
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Equity [Abstract]    
Expected term, in years 5 years 8 months 12 days 5 years 9 months 18 days
Expected volatility 82.04% 71.86%
Risk-free interest rate 1.00% 2.48%
Dividend yield
Grant date fair value $ 1.17 $ 2.72