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

Stockholders' deficit, Warrants (Q1) (Details)

v3.20.1
Stockholders' deficit, Warrants (Q1) (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 8 Months Ended 12 Months Ended
Mar. 17, 2020
Dec. 19, 2019
Nov. 04, 2019
Sep. 17, 2019
May 06, 2019
Mar. 31, 2020
Dec. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Number of Warrants [Abstract]                  
Warrants outstanding (in shares)           16,981,854   0  
Issued (in shares)           1,064,456 17,414,030   0
Exercised (in shares)           0 (1,144,999) [1]    
Warrants outstanding (in shares)           18,046,310 16,981,854 16,981,854 0
Weighted Average Exercise Price [Abstract]                  
Warrants outstanding (in dollars per share)           $ 3.23      
Issued (in dollars per share)           1.81      
Exercised (in dollars per share)           0 $ 3.50    
Warrants outstanding (in dollars per share)           $ 3.05 $ 3.23 $ 3.23  
Warrants acquired (in shares)         712,823        
Warrants acquired (in dollars per share)         $ 3.9        
Warrants outstanding, intrinsic value           $ 2.6 $ 12.2 $ 12.2  
Exercise Price $5.00 [Member]                  
Number of Warrants [Abstract]                  
Issued (in shares)   937,500 11,000            
Weighted Average Exercise Price [Abstract]                  
Warrants, exercise price (in dollars per share)   $ 5.00 $ 5.00            
Warrants, exercisable period   24 months 24 months       24 months 24 months  
Exercise price $1.82 [Member]                  
Number of Warrants [Abstract]                  
Issued (in shares)   6,500,000              
Weighted Average Exercise Price [Abstract]                  
Warrants, exercise price (in dollars per share)   $ 1.82              
Warrants, exercisable period   24 months         24 months 24 months  
PIPE Transaction [Member]                  
Number of Warrants [Abstract]                  
Issued (in shares) 1,003,232       5,744,991        
Weighted Average Exercise Price [Abstract]                  
Exercised (in dollars per share)         $ 4.25        
Warrants, exercise price (in dollars per share)         $ 4.25        
Broker [Member]                  
Number of Warrants [Abstract]                  
Issued (in shares)         220,539        
Weighted Average Exercise Price [Abstract]                  
Exercised (in dollars per share)         $ 3.00        
Warrants, exercise price (in dollars per share)         $ 3.00        
Warrants, exercisable period         24 months   24 months 24 months  
Broker [Member] | PIPE Transaction [Member]                  
Number of Warrants [Abstract]                  
Issued (in shares)         220,539        
Advisor [Member] | Exercise Price $0.10 [Member]                  
Number of Warrants [Abstract]                  
Issued (in shares)       2,500,000          
Weighted Average Exercise Price [Abstract]                  
Exercised (in dollars per share)       $ 0.10          
Warrants, exercise price (in dollars per share)       $ 0.10          
Advisor [Member] | Exercise Price $0.10 [Member] | Tranche One [Member]                  
Weighted Average Exercise Price [Abstract]                  
Warrants, exercisable period       12 months     12 months 12 months  
Warrants exercisable (in shares)       1,250,000          
Advisor [Member] | Exercise Price $0.10 [Member] | Tranche Two [Member]                  
Weighted Average Exercise Price [Abstract]                  
Warrants, exercisable period       18 months     18 months 18 months  
Warrants exercisable (in shares)       1,250,000          
Advisor [Member] | Exercise Price $10.00 [Member]                  
Number of Warrants [Abstract]                  
Issued (in shares)       1,500,000          
Weighted Average Exercise Price [Abstract]                  
Exercised (in dollars per share)       $ 10.00          
Warrants, exercise price (in dollars per share)       $ 10.00          
Warrants, exercisable period       18 months     18 months 18 months  
Warrants exercisable (in shares)       1,500,000          
[1] Exercised warrants were converted at 1.1 shares per warrant for a total of 1,259,498 shares.