Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Stockholders' Equity

v3.8.0.1
Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Loss
Accumulated Deficit
Beginning balance at Dec. 31, 2014 $ 583,357 $ 21 $ 781,009 $ (676) $ (196,997)
Beginning balance (in shares) at Dec. 31, 2014   209,071,488      
Increase (Decrease) in Stockholders' Equity          
Issuance of common stock upon exercise of stock options 5,156   5,156    
Issuance of common stock upon exercise of stock options (in shares)   1,077,797      
Issuance of common stock related to acquisitions 148,490 $ 2 148,488    
Issuance of common stock related to acquisitions (in shares)   10,246,616      
Stock-based compensation 111,645   111,645    
Vesting of restricted stock units 0        
Vesting of restricted stock units (in shares)   4,184,415      
Share cancellations to satisfy tax withholding on vesting of restricted stock units (2,540)   (2,540)    
Share cancellations to satisfy tax withholding on vesting of restricted stock units (in shares)   (148,302)      
Stock issued under employee stock purchase plan 6,973   6,973    
Stock issued under employee stock purchase plan (in shares)   538,398      
Equity component of convertible note issuance, net of issuance costs 102,968   102,968    
Purchase of capped call (43,160)   (43,160)    
Components of comprehensive loss:          
Net loss (169,661)       (169,661)
Other comprehensive income (loss) 159     159  
Ending balance at Dec. 31, 2015 743,387 $ 23 1,110,539 (517) (366,658)
Ending balance (in shares) at Dec. 31, 2015   224,970,412      
Increase (Decrease) in Stockholders' Equity          
Issuance of common stock upon exercise of stock options 3,464   3,464    
Issuance of common stock upon exercise of stock options (in shares)   1,588,781      
Stock-based compensation 145,968   145,968    
Vesting of restricted stock units 0 $ 1 (1)    
Vesting of restricted stock units (in shares)   7,666,647      
Vesting of market stock units 0        
Vesting of market stock units (in shares)   56,903      
Share cancellations to satisfy tax withholding on vesting of restricted stock units (3,368)   (3,368)    
Share cancellations to satisfy tax withholding on vesting of restricted stock units (in shares)   (354,638)      
Stock issued under employee stock purchase plan 8,484   8,484    
Stock issued under employee stock purchase plan (in shares)   1,254,910      
Fair value of escrow settlement (393)   (393)    
Fair value of escrow settlement (in shares)   (20,258)      
Components of comprehensive loss:          
Net loss (342,978)       (342,978)
Other comprehensive income (loss) (305)     (305)  
Ending balance at Dec. 31, 2016 554,259 $ 24 1,264,693 (822) (709,636)
Ending balance (in shares) at Dec. 31, 2016   235,162,757      
Increase (Decrease) in Stockholders' Equity          
Issuance of common stock upon exercise of stock options 9,789   9,789    
Issuance of common stock upon exercise of stock options (in shares)   4,968,577      
Stock-based compensation 135,788   135,788    
Vesting of restricted stock units 0 $ 1 (1)    
Vesting of restricted stock units (in shares)   9,478,804      
Stock issued under employee stock purchase plan $ 11,387   11,387    
Stock issued under employee stock purchase plan (in shares) 1,287,687 1,287,687      
Fair value of escrow settlement $ (589)   (589)    
Fair value of escrow settlement (in shares)   (30,363)      
Series A preferred stock dividends (40,166)       (40,166)
Components of comprehensive loss:          
Net loss (518,395)       (518,395)
Other comprehensive income (loss) 605     605  
Ending balance at Dec. 31, 2017 152,678 $ 25 1,422,221 $ (217) (1,269,351)
Ending balance (in shares) at Dec. 31, 2017   250,867,462      
Increase (Decrease) in Stockholders' Equity          
Cumulative effect adjustment from adoption of ASU 2016-09 $ 0   $ 1,154   $ (1,154)