XML 61 R49.htm IDEA: XBRL DOCUMENT v3.20.1
Stockholders' Equity - Schedule of Fair Value of Share Based Payment (Details) - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Grant price $ 2.68  
Exercise price $ 2.68  
Expected dividend yield 0.00% 0.00%
Expected volatility 84.92%  
Expected life (in years) 5 years 5 years
Risk-free interest rate 2.49%  
Minimum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Grant price   $ 2.30
Exercise price   $ 2.30
Expected volatility   94.02%
Risk-free interest rate   2.69%
Maximum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Grant price   $ 2.87
Exercise price   $ 2.87
Expected volatility   97.22%
Risk-free interest rate   2.73%