Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation and Other Benefit Plans (Stock Option Valuation Assumptions) (Details)

v3.20.2
Stock-Based Compensation and Other Benefit Plans (Stock Option Valuation Assumptions) (Details) - $ / shares
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Valuation of the options granted    
Weighted average exercise price - ($/share) $ 1.23 $ 2.08
Expected life in years 6 years 3 years 2 months 12 days
Average expected volatility 74.16% 72.53%
Risk-free interest rate 0.42% 2.33%
Weighted average grant date fair value - ($/share) $ 0.79 $ 1.06