Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Schedule of Fair Value of Each Option Award Estimated Assumption (Details)

v3.20.1
Stock-Based Compensation - Schedule of Fair Value of Each Option Award Estimated Assumption (Details)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Risk-free interest rate, minimum 1.47% 2.44%
Risk-free interest rate, maximum 1.85% 3.01%
Expected dividend yield 0.00% 0.00%
Expected volatility, minimum 133.01%  
Expected volatility, maximum 171.87%  
Expected volatility   170.32%
Expected life 5 years  
Minimum [Member]    
Expected life   6 months
Maximum [Member]    
Expected life   5 years 6 months