Quarterly report pursuant to Section 13 or 15(d)

Intangible assets, royalties and goodwill - Additional information (Details)

v3.20.2
Intangible assets, royalties and goodwill - Additional information (Details) - USD ($)
 1 Months Ended 9 Months Ended
Jan. 13, 2020
May 31, 2019
Sep. 30, 2020
Jun. 24, 2020
Jun. 23, 2020
Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]            
Common stock or units, issued (in shares)     49,139,708     47,977,390
Warrants, exercise price (in dollars per share)       $ 4.25 $ 5.00  
ABG Notes            
Finite-Lived Intangible Assets [Line Items]            
Face amount $ 600,000          
Long-term debt, interest rate 10.00%   10.00%      
Customer relationships | Halo            
Finite-Lived Intangible Assets [Line Items]            
Estimated useful lives of intangible assets     7 years      
Trade name | Halo            
Finite-Lived Intangible Assets [Line Items]            
Estimated useful lives of intangible assets     15 years      
Licensing Agreements            
Finite-Lived Intangible Assets [Line Items]            
Payment of upfront fees in equity   $ 1,000,000.0        
Termination fee paid $ 100,000          
Common stock or units, issued (in shares) 72,720          
Termination fee payable $ 100,000          
Fair value of warrants issued 150,000          
Total cost of contract termination 1,100,000          
Licensing Agreements | ABG Notes            
Finite-Lived Intangible Assets [Line Items]            
Notes, fair value $ 600,000          
Licensing Agreements | ABG Warrants            
Finite-Lived Intangible Assets [Line Items]            
Term of warrants 24 months          
Warrants, exercise price (in dollars per share) $ 5.00     $ 4.25 $ 5.00  
Warrants, fair value (less than) $ 100,000