Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statement of Stockholders' Equity (Deficit)

v3.8.0.1
Condensed Consolidated Statement of Stockholders' Equity (Deficit) - 9 months ended Sep. 30, 2017 - USD ($)
$ in Thousands
Total
Initial Public Offering [Member]
Bridge Loan [Member]
Bridge Loan [Member]
Initial Public Offering [Member]
Series B Redeemable Convertible Preferred Stock [Member]
Series B Redeemable Convertible Preferred Stock [Member]
Initial Public Offering [Member]
Series A Redeemable Convertible Preferred Stock [Member]
Series A Redeemable Convertible Preferred Stock [Member]
Initial Public Offering [Member]
Conversion of Convertible Note Payable [Member]
Initial Public Offering [Member]
Common Stock [Member]
Common Stock [Member]
Initial Public Offering [Member]
Common Stock [Member]
Bridge Loan [Member]
Common Stock [Member]
Bridge Loan [Member]
Initial Public Offering [Member]
Common Stock [Member]
Series B Redeemable Convertible Preferred Stock [Member]
Initial Public Offering [Member]
Common Stock [Member]
Series A Redeemable Convertible Preferred Stock [Member]
Initial Public Offering [Member]
Common Stock [Member]
Conversion of Convertible Note Payable [Member]
Initial Public Offering [Member]
Additional Paid-in Capital [Member]
Additional Paid-in Capital [Member]
Initial Public Offering [Member]
Additional Paid-in Capital [Member]
Bridge Loan [Member]
Additional Paid-in Capital [Member]
Bridge Loan [Member]
Initial Public Offering [Member]
Additional Paid-in Capital [Member]
Series B Redeemable Convertible Preferred Stock [Member]
Initial Public Offering [Member]
Additional Paid-in Capital [Member]
Series A Redeemable Convertible Preferred Stock [Member]
Initial Public Offering [Member]
Additional Paid-in Capital [Member]
Conversion of Convertible Note Payable [Member]
Initial Public Offering [Member]
Accumulated Other Comprehensive Loss [Member]
Accumulated Deficit [Member]
Beginning balance at Dec. 31, 2016 $ (45,525)                 $ 4             $ (293)               $ (45,236)
Beginning balance, shares at Dec. 31, 2016                   2,620,803                              
Issuance of common stock   $ 32,580 $ 3,666               $ 3 $ 0           $ 32,577 $ 3,666            
Issuance of common stock, shares 12,335,519 2,500,000                 2,500,000 300,000                          
Conversion of preferred stock upon public offering           $ 18,668   $ 8,598           $ 2 $ 3           $ 18,666 $ 8,595      
Conversion of preferred stock upon public offering, shares         2,309,135   2,922,798             2,309,135 2,922,798                    
Exercise of Primary Warrant upon public offering   $ 29,263                 $ 2             $ 29,261              
Exercise of Primary Warrant upon public offering, shares                     2,150,335                            
Conversion of debt and accrued interest upon public offering       $ 8,045         $ 20,737       $ 1     $ 2       $ 8,044     $ 20,735    
Conversion of debt and accrued interest upon public offering, shares     590,717                   590,717     1,523,746                  
Issuance of restricted stock, net of forfeitures $ 0                 $ 0             0             $ 0 0
Issuance of restricted stock, net of forfeitures, shares                   30,415                              
Repurchase of common stock $ (56)                 $ 0             (56)                
Repurchase of common stock, shares (7,500)                 (7,500)                              
Exercise of options $ 5                 $ (2)             7                
Exercise of options, shares 3,281                 3,281                              
Issuance of warrants $ 8,658                               8,658                
Beneficial conversion feature 554                               554                
Modification of warrants 371                               371                
Stock-based compensation expense 13,611                 $ 0             13,611                
Stock-based compensation expense, shares                   12,592                              
Accretion of redeemable convertible preferred stock (4,470)                                               (4,470)
Net loss (46,811)                                               (46,811)
Other comprehensive loss (62)                                             (62)  
Ending balance at Sep. 30, 2017 $ 47,832                 $ 15             $ 144,396             $ (62) $ (96,517)
Ending balance, shares at Sep. 30, 2017                   14,956,322