General form of registration statement for all companies including face-amount certificate companies

Stockholders' deficit - Warrants activity (Q3) (Details)

v3.20.2
Stockholders' deficit - Warrants activity (Q3) (Details) - $ / shares
 8 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2019
Sep. 30, 2020
Dec. 31, 2019
Dec. 31, 2018
Warrants        
Warrants outstanding (in shares)   16,981,854 0  
Issued (in shares) 17,414,030 6,125,339   0
Exercised (in shares) (1,144,999) [1] (250,000)    
Terminated (in shares)   (2,958,334)    
Warrants outstanding (in shares) 16,981,854 19,898,859 16,981,854 0
Weighted Average Exercise Price        
Warrants outstanding (in dollars per share)   $ 3.23    
Issued (in dollars per share)   0.91    
Exercised (in dollars per share)   (0.10)    
Terminated (in dollars per share)   (5.12)    
Warrants outstanding (in dollars per share) $ 3.23 $ 2.13 $ 3.23  
[1] Exercised warrants were converted at 1.1 shares per warrant for a total of 1,259,498 shares.