Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Summary of Warrant Activity (Details)

v3.20.2
Stockholders' Equity - Summary of Warrant Activity (Details) - $ / shares
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Equity [Abstract]    
Number of Shares, Warrants Outstanding, Beginning balance 363,727 305,060
Number of Shares, Warrants Granted 1,481,995 64,024
Number of Shares, Warrants Exercised (7,023)
Number of Shares, Warrants Forfeited or Cancelled
Number of Shares, Warrants Outstanding, Ending balance 1,845,722 362,061
Weighted Average Exercise Price, Warrants Outstanding, Beginning Balance $ 25.60 $ 27.50
Weighted Average Exercise Price, Warrants Granted 3.22 16.00
Weighted Average Exercise Price, Warrants Exercised   10.80
Weighted Average Exercise Price, Warrants Forfeited Or Cancelled  
Weighted Average Exercise Price, Warrants Outstanding, Ending Balance $ 7.64 $ 25.80
Weighted Average Remaining Contractual Life (Yrs.), Warrants outstanding, Beginning balance 3 years 1 month 13 days 3 years 10 months 10 days
Weighted Average Remaining Contractual Life (Yrs.), Warrants Grants 5 years 1 month 20 days 4 years 11 months 8 days
Weighted Average Remaining Contractual Life (Yrs.), Warrants outstanding, Ending balance 4 years 7 months 21 days 3 years 7 months 17 days