XML 40 R30.htm IDEA: XBRL DOCUMENT v3.21.2
Summary of Warrant Activity (Details) - $ / shares
 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Equity [Abstract]    
Number of Shares, Warrants Outstanding, Beginning balance 1,881,429 363,727
Weighted Average Exercise Price, Warrants outstanding, Beginning balance $ 7.57 $ 25.60
Weighted Average Remaining Contractual Life (Years), Warrants outstanding, Beginning balance 4 years 1 month 28 days 3 years 1 month 13 days
Number of Shares, Warrants Granted 2,602,143 1,481,995
Weighted Average Exercise Price, Warrants Granted $ 4.36 $ 3.22
Weighted Average Remaining Contractual Life (Years), Warrants Granted 2 years 1 month 20 days 5 years 1 month 20 days
Number of Shares, Warrants Exercised 495,641
Weighted Average Exercise Price, Warrants Exercised $ 2.59
Weighted Average Remaining Contractual Life (Years), Warrants Exercised 4 years 1 month 17 days
Number of Shares, Warrants Forfeited or Cancelled
Weighted Average Exercise Price, Warrants Forfeited or cancelled
Weighted Average Remaining Contractual Life (Years), Warrants Forfeited or cancelled
Number of Shares, Warrants Outstanding, Ending balance 3,987,931 1,845,722
Weighted Average Exercise Price, Warrants outstanding, Ending balance $ 6.10 $ 7.64
Weighted Average Remaining Contractual Life (Years), Warrants outstanding, Ending balance 2 years 7 months 9 days 4 years 7 months 20 days
Number of Shares, Warrants Exercised (495,641)
Number of Shares, Warrants Forfeited or Cancelled