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

Stockholders' deficit, Common Stock (FY) (Details)

v3.20.1
Stockholders' deficit, Common Stock (FY) (Details)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended 12 Months Ended
Dec. 19, 2019
USD ($)
$ / shares
shares
May 06, 2019
USD ($)
$ / shares
shares
Mar. 15, 2019
Jan. 08, 2019
USD ($)
shares
Dec. 12, 2018
USD ($)
$ / shares
shares
Dec. 31, 2018
USD ($)
$ / shares
shares
Mar. 31, 2020
$ / shares
shares
Mar. 31, 2019
shares
Dec. 31, 2019
USD ($)
$ / shares
shares
Mar. 17, 2020
$ / shares
shares
Nov. 30, 2018
shares
Oct. 29, 2018
USD ($)
Common Stock [Abstract]                        
Common stock, shares authorized (in shares)           16,303,928 88,000,000   88,000,000      
Reverse stock split ratio     0.0385                  
Common stock, shares issued (in shares)           11,661,485 48,939,708   47,977,390      
Common stock, shares outstanding (in shares)           11,661,485 48,939,708   47,977,390      
Units issued in private placement offering (in shares)         1,425,641              
Number of shares issuable per unit (in shares)                 1.1      
Share price (in dollars per share) | $ / shares         $ 1.95              
Gross proceeds from private placement offering | $         $ 2,800              
Share issuance costs | $         100              
Net proceeds from private placement offering | $         $ 2,700              
Filing period of registration statement following closing date                 60 days      
Acquisitions | $                 $ (6,071)      
Purchase price | $   $ 146,569                    
Common stock shares issued (in shares)   33,130,806                    
Common stock, par value (in dollars per share) | $ / shares   $ 0.001       $ 0.001 $ 0.001   $ 0.001      
Reserved Shares of Common Stock for Future Issuance [Abstract]                        
Conversion of Series E (in shares)             1,760,903   1,760,903      
Exercise of options to purchase common stock (in shares)             7,891,833   7,791,833      
Warrants to purchase common stock (in shares)             18,046,310   16,981,854      
Notes payable (in shares)             4,722,795   4,437,500      
Total (in shares)           0 32,421,841   30,972,090      
Halo Acquisition [Member]                        
Common Stock [Abstract]                        
Ownership percentage 100.00%                      
TruPet, LLC [Member]                        
Common Stock [Abstract]                        
Initial ownership interest acquired   93.00%             7.00%      
Acquisition (in shares)   (1,011,748)                    
Acquisitions | $   $ (6,012)                    
Common stock shares issued (in shares)   15,027,533                    
Bona Vida, Inc. [Member]                        
Common Stock [Abstract]                        
Share price (in dollars per share) | $ / shares   $ 6.00                    
Initial ownership interest acquired   100.00%                    
Amount of change of control payment | $                       $ 500
Number of shares of common stock to be issued in consideration for change of control payment (in shares)   100,000                    
Purchase price | $   $ 108,620                    
Common stock shares issued (in shares)   18,103,273                    
PIPE Transaction [Member]                        
Common Stock [Abstract]                        
Units issued in private placement offering (in shares)   5,744,991                    
Share price (in dollars per share) | $ / shares   $ 3.00                    
Net proceeds from private placement offering | $   $ 15,700                    
Warrants, exercise price (in dollars per share) | $ / shares   $ 4.25                    
Halo Acquisition [Member]                        
Common Stock [Abstract]                        
Share price (in dollars per share) | $ / shares $ 1.82                      
Initial ownership interest acquired 100.00%                      
Purchase price | $ $ 38,244                      
Common stock shares issued (in shares) 2,134,390                      
Common stock, par value (in dollars per share) | $ / shares $ 0.001                      
Warrant [Member]                        
Common Stock [Abstract]                        
Number of shares issuable per unit (in shares)         0.5         1,003,232 0.5  
Warrants, exercisable period             2 years   2 years      
Warrants, exercise price (in dollars per share) | $ / shares             $ 3.90   $ 3.90 $ 1.62    
Common Stock [Member]                        
Common Stock [Abstract]                        
Number of shares issuable per unit (in shares)         1           1  
Net proceeds from private placement offering | $       $ 100   $ 2,600            
Units issued in private placement offering (in shares)       25,641   1,400,000 308,642 0 0      
Acquisition (in shares)                 (1,012,000)      
Acquisitions | $                 $ (1)      
Common Stock [Member] | PIPE Transaction [Member]                        
Common Stock [Abstract]                        
Number of shares issuable per unit (in shares)   1