Quarterly report pursuant to Section 13 or 15(d)

Stock Warrants - Summary of all warrant activity (Details)

v3.20.2
Stock Warrants - Summary of all warrant activity (Details) - $ / shares
6 Months Ended 12 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Stock-Based Compensation    
Number of Warrants, Beginning Balance 18,714,999 18,915,851
Number of Warrants, Granted 0  
Number of Warrants, Exercised 0  
Number of Warrants, Forfeited 0 (200,852)
Number of Warrants, Ending Balance 18,714,999 18,714,999
Weighted Average Exercise Price, Beginning Balance $ 3.24 $ 3.85
Weighted Average Exercise Price, Granted 0  
Weighted Average Exercise Price, Exercised 0  
Weighted Average Exercise Price, Forfeited 0 61.25
Weighted Average Exercise Price, Ending Balance $ 3.24 $ 3.24