XML 46 R36.htm IDEA: XBRL DOCUMENT v3.20.2
Stock-Based Compensation - Schedule of Assumptions Used in Estimation of Fair Value of the Share-based Payment Awards on the Grant Date (Details) - Options
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Risk-free interest rate   2.50%
Volatility   128.40%
Dividend yield 0.00% 0.00%
Minimum    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Expected life (years)   3 years
Maximum    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Expected life (years)   5 years