Annual report pursuant to Section 13 and 15(d)

Warrants - Outstanding (Details)

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Warrants - Outstanding (Details) - $ / shares
 1 Months Ended 3 Months Ended 8 Months Ended 12 Months Ended
Nov. 30, 2020
Jul. 20, 2020
Jun. 24, 2020
Mar. 17, 2020
Dec. 19, 2019
Nov. 04, 2019
May 06, 2019
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2020
Warrants                          
Warrants outstanding (in shares)                         16,981,854
Warrants acquired (in shares)             712,823            
Issued (in shares) 400,000 200,000 1,000,000 1,003,232 937,500 11,000     570,258 1,990,624   17,414,030 49,928,469
Exercised (in shares)                     (1,687,690) (1,144,999) (1,937,690)
Terminated/Expired (in shares)               (2,512,321)         (5,470,655)
Warrants outstanding (in shares)               59,501,978     59,501,978 16,981,854 59,501,978
Exercise Price                          
Warrants outstanding (in dollars per share)                         $ 3.23
Warrants acquired (in shares)             $ 3.90            
Issued (in dollars per share)                       $ 3.27 0.77
Warrants exercised (in dollars per share)                       3.50 0.58
Terminated/Expired (in dollars per share)                         3.07
Warrants outstanding (in dollars per share)               $ 1.22     $ 1.22 $ 3.23 $ 1.22