Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Stock Options (Details)

v3.20.4
Stockholders' Equity - Stock Options (Details) - Options [Member] - $ / shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock Options, Outstanding (Beginning)   160,000 60,000  
Stock Options, Granted   60,000 100,000  
Stock Options, Outstanding (Ending) 220,000 220,000 160,000 60,000
Vested and exercisable as of December 31, 2020 25,000 25,000    
Weighted Average Exercise Price, Outstanding (Beginning)   $ 3.64 $ 5.43  
Weighted Average Exercise Price, Granted   2.04 2.56  
Weighted Average Exercise Price, Outstanding (Ending) $ 3.20 3.20 $ 3.64 $ 5.43
Weighted Average Exercise Price vested and exercisable as of December 31.2020 $ 1.87 $ 1.87    
Weighted Average Remaining Contractual Life (in years) 8 years 14 days   8 years 6 months 21 days 8 years 1 month 2 days
Weighted Average vested and exercisable Remaining Contractual Life (in years)   8 years 9 months 25 days