Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Deficit and Redeemable Convertible Series B and Convertible Series C, D and F Preferred Stock (Details )

v3.8.0.1
Stockholders' Deficit and Redeemable Convertible Series B and Convertible Series C, D and F Preferred Stock (Details ) - USD ($)
 3 Months Ended
Mar. 31, 2018
Dec. 31, 2016
Class of Warrant or Right [Line Items]    
Warrant exercise price   $ 0.25
Warrants vested and outstanding $ 51,443,250  
Pre 2015 Common Stock Warrants    
Class of Warrant or Right [Line Items]    
Warrant exercise price $ 1  
Warrants vested and outstanding $ 4,000,000  
Pre 2015 Common Stock Warrants | Minimum    
Class of Warrant or Right [Line Items]    
Term of warrant 6 years  
Pre 2015 Common Stock Warrants | Maximum    
Class of Warrant or Right [Line Items]    
Term of warrant 10 years  
2015 Common Stock Warrants    
Class of Warrant or Right [Line Items]    
Warrants vested and outstanding $ 442,000  
2015 Common Stock Warrants | Minimum    
Class of Warrant or Right [Line Items]    
Warrant exercise price $ 1.15  
Term of warrant 5 years  
2015 Common Stock Warrants | Maximum    
Class of Warrant or Right [Line Items]    
Warrant exercise price $ 5.00  
Term of warrant 10 years  
2015 series B financing Common Stock Warrants to Series B Stockholders    
Class of Warrant or Right [Line Items]    
Warrant exercise price $ 0  
Term of warrant 5 years  
Warrants vested and outstanding $ 1,843,750  
2015 Series B financing Placement Agent Warrants    
Class of Warrant or Right [Line Items]    
Warrant exercise price $ 0  
Term of warrant 5 years  
Warrants vested and outstanding $ 187,500  
2016 Common Stock Warrants to Service Providers    
Class of Warrant or Right [Line Items]    
Warrant exercise price $ 1.15  
Term of warrant 10 years  
Warrants vested and outstanding $ 40,000  
2016 Series C Placement Agent Warrants    
Class of Warrant or Right [Line Items]    
Warrant exercise price $ 0.4  
Term of warrant 5 years  
Warrants vested and outstanding $ 125,000  
2017 Series D Placement Agent Warrants    
Class of Warrant or Right [Line Items]    
Warrant exercise price $ 0.25  
Term of warrant 5 years  
Warrants vested and outstanding $ 480,000  
2017 Common Stock Warrants to Service Provider    
Class of Warrant or Right [Line Items]    
Warrant exercise price $ 0.41  
Term of warrant 5 years  
Warrants vested and outstanding $ 125,000  
2018 Emerald Financing Warrants    
Class of Warrant or Right [Line Items]    
Warrant exercise price $ 0.1  
Term of warrant 5 years  
Warrants vested and outstanding $ 44,200,000