Quarterly report pursuant to Section 13 or 15(d)

Warrants - Outstanding (Details)

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Warrants - Outstanding (Details) - USD ($)
$ / shares in Units, $ in Millions
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Mar. 17, 2020
Dec. 19, 2019
Nov. 04, 2019
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Dec. 31, 2020
Sep. 30, 2021
Dec. 31, 2020
Warrants                  
Warrants outstanding (in shares)               9,916,997 2,830,309
Issued (in shares) 167,206 156,250 1,834   95,043 331,771   548,110 8,321,412
Exercised (in shares)             (281,282) (389,881) (322,948)
Terminated/Expired (in shares)       (418,721)       (641,642) (911,776)
Warrants outstanding (in shares)       9,916,997     9,916,997 9,433,584 9,916,997
Exercise Price                  
Warrants outstanding (in dollars per share)               $ 7.32 $ 19.38
Issued (in dollars per share)               8.70 4.62
Warrants exercised (in dollars per share)               4.52 3.48
Terminated/Expired (in dollars per share)               24.64 18.42
Warrants outstanding (in dollars per share)       $ 7.32     $ 7.32 $ 5.92 $ 7.32
Warrants outstanding, intrinsic value       $ 23.8     $ 23.8 $ 0.0 $ 23.8