Annual report pursuant to Section 13 and 15(d)

Stock- Based Compensation (Details)

v3.20.4
Stock- Based Compensation (Details) - Warrant [Member] - USD ($)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Class of Warrant or Right, Shares Underlying Warrants [Roll Forward]    
Outstanding at beginning 2,745,801 2,629,468
Granted 14,437,250 141,333
Exercised (50,000)  
Forfeited (75,000) (25,000)
Outstanding at ending 17,058,051 2,745,801
Class of Warrant or Right, Weighted Average Exercise Price [Roll Forward]    
Outstanding at beginning $ 5.24 $ 5.24
Granted 1.25 5.62
Exercised 1.17  
Forfeited 8.74 7.39
Outstanding at ending $ 1.86 $ 5.24
Class of Warrant or Right, Weighted average Remaining Contractual Life (years) [Roll Forward]    
Outstanding at beginning 2 years 6 months 29 days 3 years 6 months 29 days
Outstanding at ending 5 years 9 months 11 days 2 years 6 months 29 days
Class of Warrant or Right, Aggregate Intrinsic Value [Roll Forward]    
Outstanding at beginning
Exercised [1]  
Outstanding at ending
[1] represents amount less than $1,000