v3.10.0.1
Condensed Consolidated Statements of Changes in Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Accumulated Other Comprehensive Income (Loss)
Beginning balance at Dec. 31, 2017 $ 387,832 $ 53 $ 588,289 $ (205,836) $ 5,326
Beginning balance (in shares) at Dec. 31, 2017 52,505,856 52,505,856      
Increase (Decrease) in Stockholders' Equity          
Exercise of stock options $ 7,032   7,032    
Exercise of stock options (in shares)   1,000,574      
Issuance of common stock in connection with settlement of restricted stock units, net of withholdings (3,450) $ 1 (3,451)    
Issuance of common stock in connection with settlement of restricted stock units, net of withholdings (in shares)   543,092      
Issuance of common stock in connection with a public offering of common stock, net of offering costs 330,862 $ 4 330,858    
Issuance of common stock in connection with a public offering of common stock, net of offering costs (in shares)   3,833,334      
Issuance of common stock in connection with employee stock purchase plan 1,278   1,278    
Issuance of common stock in connection with employee stock purchase plan (in shares)   22,483      
Stock-based compensation expense 24,064   24,064    
Net loss (43,162)     (43,162)  
Foreign currency translation adjustment (12,327)       (12,327)
Ending balance at Sep. 30, 2018 $ 692,129 $ 58 948,070 (248,998) (7,001)
Ending balance (in shares) at Sep. 30, 2018 57,905,339 57,905,339      
Beginning balance at Jun. 30, 2018 $ 693,447 $ 57 936,664 (239,054) (4,220)
Beginning balance (in shares) at Jun. 30, 2018   57,315,585      
Increase (Decrease) in Stockholders' Equity          
Exercise of stock options 2,239   2,239    
Exercise of stock options (in shares)   499,043      
Issuance of common stock in connection with settlement of restricted stock units, net of withholdings (43) $ 1 (44)    
Issuance of common stock in connection with settlement of restricted stock units, net of withholdings (in shares)   68,228      
Issuance of common stock in connection with employee stock purchase plan 1,278   1,278    
Issuance of common stock in connection with employee stock purchase plan (in shares)   22,483      
Stock-based compensation expense 7,933   7,933    
Net loss (9,944)     (9,944)  
Foreign currency translation adjustment (2,781)       (2,781)
Ending balance at Sep. 30, 2018 $ 692,129 $ 58 $ 948,070 $ (248,998) $ (7,001)
Ending balance (in shares) at Sep. 30, 2018 57,905,339 57,905,339