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

Stockholders' deficit, Warrants (FY) (Details)

v3.20.1
Stockholders' deficit, Warrants (FY) (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, 2018
Number of Warrants [Abstract]                
Warrants acquired (in shares)         712,823      
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 0
Weighted Average Exercise Price [Abstract]                
Warrants acquired (in dollars per share)         $ 3.9      
Issued (in dollars per share)             $ 3.27  
Exercised (in dollars per share)           $ 0 3.50  
Warrants outstanding (in dollars per share)             $ 3.23  
Warrants conversion rate (in shares)             1.1  
Number of warrants converted (in shares)             1,259,498  
Warrants outstanding, intrinsic value           $ 2.6 $ 12.2  
Exercise Price $5.00 [Member]                
Number of Warrants [Abstract]                
Issued (in shares)   937,500 11,000          
Weighted Average Exercise Price [Abstract]                
Warrants, exercisable period   24 months 24 months       24 months  
Warrants, exercise price (in dollars per share)   $ 5.00 $ 5.00          
Exercise price $1.82 [Member]                
Number of Warrants [Abstract]                
Issued (in shares)   6,500,000            
Weighted Average Exercise Price [Abstract]                
Warrants, exercisable period   24 months         24 months  
Warrants, exercise price (in dollars per share)   $ 1.82            
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, exercisable period         24 months   24 months  
Warrants, exercise price (in dollars per share)         $ 3.00      
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  
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  
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, exercisable period       18 months     18 months  
Warrants exercisable (in shares)       1,500,000        
Warrants, exercise price (in dollars per share)       $ 10.00        
[1] Exercised warrants were converted at 1.1 shares per warrant for a total of 1,259,498 shares.