Annual report pursuant to Section 13 and 15(d)

Net (Loss) Income Per Share Of Common Stock, Basic And Diluted - Narrative (Details)

v3.19.1
Net (Loss) Income Per Share Of Common Stock, Basic And Diluted - Narrative (Details)
 3 Months Ended 12 Months Ended
Dec. 27, 2018
USD ($)
$ / shares
shares
Dec. 31, 2018
USD ($)
$ / shares
shares
Dec. 31, 2018
USD ($)
$ / shares
shares
Dec. 31, 2017
USD ($)
$ / shares
shares
Dec. 31, 2014
shares
Anti-dilutive securities          
Preferred stock, shares authorized (in shares) | shares   5,000,000 5,000,000 5,000,000  
Preferred stock, par value per share (in dollars per share) | $ / shares   $ 0.001 $ 0.001 $ 0.001  
Proceeds from issuance of Series B convertible preferred stock upon warrant exercise, net     $ 5,685,038 $ 0  
Deemed distribution to shareholder       0  
Net (loss) income     (40,052,810) 11,869,823  
Net (loss) income attributable to common shareholders     $ (41,710,193) $ 7,772,084  
Private Placement          
Anti-dilutive securities          
Number of shares available under warrant (in shares) | shares       14,285,714  
Exercise price per share (in dollars per share) | $ / shares       $ 0.40  
Proceeds from issuance of Series B convertible preferred stock upon warrant exercise, net   $ 5,700,000      
Series B convertible preferred stock | Preferred Stock          
Anti-dilutive securities          
Number of shares available under warrant (in shares) | shares         625,208
Preferred stock conversion ratio 5   5    
Series B convertible preferred stock | Preferred Stock | Private Placement          
Anti-dilutive securities          
Preferred stock, shares authorized (in shares) | shares 2,857,143        
Preferred stock, par value per share (in dollars per share) | $ / shares $ 2.00        
Common stock          
Anti-dilutive securities          
Issuance of common stock for conversion of preferred stock (in shares) | shares       11,940,000  
Incentive Warrants          
Anti-dilutive securities          
Number of shares available under warrant (in shares) | shares 4,000,000        
Exercise price per share (in dollars per share) | $ / shares $ 12.50        
Expected life 5 years 6 months        
Deemed distribution to shareholder $ 1,657,383   $ 1,700,000    
Fair value of warrants 2,200,000        
Value forwent by Armistice $ 500,000        
Incentive Warrants | Measurement input discount rate          
Anti-dilutive securities          
Warrants and rights outstanding measurement input 0.55        
Incentive Warrants | Measurement input risk free interest rate          
Anti-dilutive securities          
Warrants and rights outstanding measurement input 0.0262        
Incentive Warrants | Measurement input strike price (in dollars per share)          
Anti-dilutive securities          
Warrants and rights outstanding measurement input | $ / shares 12.50        
Incentive Warrants | Measurement input fair value of underlying equity (per share)          
Anti-dilutive securities          
Warrants and rights outstanding measurement input | $ / shares 3.02