Annual report pursuant to Section 13 and 15(d)

Statements of Convertible Preferred Stock and Stockholder's Equity (Deficit)

v3.3.1.900
Statements of Convertible Preferred Stock and Stockholder's Equity (Deficit) - USD ($)
Common stock
Additional paid in capital
Accumulated deficit
Redeemable Convertible Preferred Stock [Member]
Series A and A-1 Convertible Preferred Stock [Member]
Series A-1 Convertible preferred stock
Series B convertible preferred stock
Total
Balance at the beginning at Dec. 31, 2012       $ 19,856,632        
Balance at the beginning (in shares) at Dec. 31, 2012       31,116,391        
Increase (Decrease) in Temporary Equity [Roll Forward]                
Issuance of convertible preferred stock           $ 6,567,064    
Issuance of stock (in shares)           9,074,511    
Discount for beneficial conversion feature Convertible Preferred Stock           $ (6,567,064)    
Accretion of Convertible Preferred Stock beneficial conversion feature discount           1    
Balance at the end at Dec. 31, 2013       $ 19,856,633   $ 1    
Balance at the end (in shares) at Dec. 31, 2013       40,190,902        
Balance at the beginning at Dec. 31, 2012 $ 643 $ 2,591,397 $ (13,972,778)         $ (11,380,738)
Balance at the beginning (in shares) at Dec. 31, 2012 642,844              
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Discount for beneficial conversion feature   6,567,064           6,567,064
Offering costs paid for issuance of stock   (736,640)           (736,640)
Accretion of convertible preferred stock beneficial conversion feature   (1)           (1)
Issuance of stock (in shares)           9,074,511    
Stock based compensation   748,648           748,648
Net loss     (13,045,008)         (13,045,008)
Balance at the end at Dec. 31, 2013 $ 643 9,170,468 (27,017,786)         (17,846,675)
Balance at the end (in shares) at Dec. 31, 2013 642,844              
Increase (Decrease) in Temporary Equity [Roll Forward]                
Issuance of convertible preferred stock, net of issuance costs and investors rights obligation             $ 12,250,999  
Issuance of stock (in shares)             50,017,786  
Extinguishment upon Modification of Convertible Preferred Stock and issuance of common stock dividends         $ (6,004,417)      
Conversion of Convertible Promissory Notes in Exchange for Convertible Preferred Stock             $ 1,405,003  
Conversion of Convertible Promissory Notes in Exchange for Convertible Preferred Stock (in shares)             5,597,618  
Conversion of Demand Notes in Exchange for Convertible Preferred Stock, net of Investors Rights Obligation             $ 837,313  
Conversion of Demand Notes in Exchange for Convertible Preferred Stock, net of Investors Rights Obligation (in shares)             3,333,331  
Balance at the end at Dec. 31, 2014       $ 28,345,531   $ 3,389,331 $ 14,493,315 28,345,531
Balance at the end (in shares) at Dec. 31, 2014       99,139,637   9,074,511 58,948,735  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Extinguishment upon modification and issuance of stock dividends $ 7 6,004,604           6,004,611
Extinguishment upon Modification of Convertible Preferred Stock and issuance of common stock dividends (in shares) 6,877              
Reclassification of common stock warrants from liabilities to equity   426,303           426,303
Issuance of convertible preferred stock   54,107           54,107
Issuance of stock (in shares)             50,017,786  
Issuance of common stock for conversion of preferred stock on closing of IPO             $ 1,405,003  
Issuance of common stock for conversion of preferred stock on closing of IPO (in shares)             5,597,618  
Stock based compensation   1,086,581           1,086,581
Net loss     (16,055,591)         (16,055,591)
Balance at the end at Dec. 31, 2014 $ 650 16,742,063 (43,073,377)         (26,330,664)
Balance at the end (in shares) at Dec. 31, 2014 649,721              
Increase (Decrease) in Temporary Equity [Roll Forward]                
Issuance of stock (in shares) 4,020,000              
Conversion of Convertible Promissory Notes in Exchange for Convertible Preferred Stock $ 3,980 28,340,177           28,344,157
Conversion of Convertible Promissory Notes in Exchange for Convertible Preferred Stock (in shares) 3,980,422              
Issuance of common stock for conversion of preferred stock upon closing of initial public offering       $ (28,345,531)        
Issuance of common stock for conversion of preferred stock upon closing of initial public offering, shares       (99,139,637)        
Balance at the end (in shares) at Dec. 31, 2015           0 0  
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Issuance of securities in IPO, net of offering costs and underwriting discounts, commissions and expenses $ 4,020 21,161,569           21,165,589
Issuance of stock (in shares) 4,020,000              
Issuance of common stock for conversion of preferred stock on closing of IPO $ 3,980 28,340,177           28,344,157
Issuance of common stock for conversion of preferred stock on closing of IPO (in shares) 3,980,422              
Stock based compensation   394,748           394,748
Net loss     (10,490,103)         (10,490,103)
Balance at the end at Dec. 31, 2015 $ 8,650 $ 66,638,557 $ (53,563,480)         $ 13,083,727
Balance at the end (in shares) at Dec. 31, 2015 8,650,143