Quarterly report pursuant to Section 13 or 15(d)

Convertible Preferred Stock And Stockholders' Deficit (Details)

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Convertible Preferred Stock And Stockholders' Deficit (Details)
 1 Months Ended 6 Months Ended 9 Months Ended
Oct. 20, 2015
$ / shares
shares
Aug. 19, 2014
USD ($)
$ / shares
shares
Jul. 31, 2014
USD ($)
$ / shares
shares
Sep. 30, 2014
USD ($)
$ / shares
shares
Sep. 30, 2015
class
$ / shares
shares
Oct. 31, 2015
shares
Sep. 01, 2015
$ / shares
Dec. 31, 2014
$ / shares
shares
Class of Stock [Line Items]                
Number of classes of stock authorized to issue | class         2      
Number of capital stock authorized to issue         163,405,187      
Number of common stock authorized to issue         8,214,285     230,000,000
Common stock, par value | $ / shares         $ 0.001   $ 0.001 $ 0.001
Subsequent events                
Class of Stock [Line Items]                
Number of common stock authorized to issue 200,000,000              
Common stock, par value | $ / shares $ 0.001              
Convertible promissory notes                
Class of Stock [Line Items]                
Convertible promissory notes converted | $       $ 1,259,016        
Demand notes                
Class of Stock [Line Items]                
Aggregate principle balance of the debt | $     $ 996,666          
Common stock | Subsequent events | IPO                
Class of Stock [Line Items]                
Shares of common stock resulting from conversion of preferred stock (in shares) 3,980,422              
Series A, A 1 and B Convertible Preferred Stock                
Class of Stock [Line Items]                
Number of preferred stock authorized to issue         155,190,902      
Preferred stock, par value | $ / shares         $ 0.001      
Minimum percentage of voting power         50.00%      
Non-cumulative dividend         8.00%      
Series A convertible preferred stock                
Class of Stock [Line Items]                
Number of preferred stock authorized to issue         31,116,391     31,116,391
Preferred stock, par value | $ / shares         $ 0.001     $ 0.001
Number of shares of common stock received for each converted share           0.04464    
Series A-1 convertible preferred stock                
Class of Stock [Line Items]                
Number of preferred stock authorized to issue         9,074,511     9,074,511
Preferred stock, par value | $ / shares         $ 0.001     $ 0.001
Number of shares of common stock received for each converted share           0.05357    
Series B convertible preferred stock                
Class of Stock [Line Items]                
Number of preferred stock authorized to issue         115,000,000     115,000,000
Preferred stock, par value | $ / shares         $ 0.001     $ 0.001
Number of shares of common stock received for each converted share           0.03571    
Shares issued   50,017,786            
Original issuance price | $ / shares   $ 0.2999            
Gross proceeds | $   $ 15,000,000            
Series B convertible preferred stock | Term loan                
Class of Stock [Line Items]                
Shares issued     3,334,445          
Original issuance price | $ / shares     $ 0.2999          
Gross proceeds | $     $ 1,000,000          
Series B convertible preferred stock | Convertible promissory notes                
Class of Stock [Line Items]                
Shares issued upon conversion of convertible promissory notes       5,597,618        
Conversion price | $ / shares       $ 0.22492        
Percentage of originial issuance price       75.00%        
Series B convertible preferred stock | Demand notes                
Class of Stock [Line Items]                
Shares issued upon conversion of convertible promissory notes     3,333,331          
Conversion price | $ / shares     $ 0.2999