Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Stockholders' Equity

v3.10.0.1
Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Loss
Accumulated Deficit
Treasury Stock
Beginning Balance (in shares) at Dec. 31, 2015   82,919,000       4,125,000
Beginning Balance at Dec. 31, 2015 $ 326,452 $ 83 $ 471,668 $ (546) $ (120,415) $ (24,338)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Stock option exercises (in shares) 1,568,699 1,569,000        
Stock option exercises $ 28,489 $ 2 28,487      
Issuance of restricted stock (in shares)   2,587,000       0
Issuance of restricted stock 1 $ 2 (1)     $ 0
Treasury stock purchased, at cost (in shares)           1,863,000
Treasury stock purchased, at cost (27,264)         $ (27,264)
Retirement of treasury stock (in shares)   (1,013,000)       (1,013,000)
Retirement of treasury stock 0 $ (1) (5,748)   (15,495) $ 21,244
Stock-based compensation 36,688   36,688      
Net tax benefit from stock-based compensation 3,254   3,254      
Other comprehensive income - derivative instruments 536     536    
Foreign currency translation (43)     (43)    
Net income 16,650       16,650  
Ending Balance (in shares) at Dec. 31, 2016   86,062,000       4,975,000
Ending Balance at Dec. 31, 2016 $ 384,763 $ 86 534,348 (53) (119,260) $ (30,358)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Stock option exercises (in shares) 1,344,569 991,000       354,000
Stock option exercises $ 27,014 $ 1 27,013      
Issuance of restricted stock (in shares)   100,000       1,795,000
Issuance of restricted stock 0   (2)     $ 2
Treasury stock purchased, at cost (in shares)           1,147,000
Treasury stock purchased, at cost (30,904)         $ (30,904)
Stock-based compensation 46,146   46,146      
Other comprehensive income - derivative instruments 241     241    
Foreign currency translation 55     55    
Equity component of convertible notes, net of issuance costs and deferred tax 61,390   61,390      
Purchases of convertible note hedges (62,549)   (62,549)      
Issuance of warrants 31,499   31,499      
Net income 377       377  
Ending Balance (in shares) at Dec. 31, 2017   87,153,000       3,973,000
Ending Balance at Dec. 31, 2017 501,875 $ 87 637,851 243 (75,046) $ (61,260)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Public offering of common stock, net of $16,949 of offering costs (in shares)   8,050,000        
Public offering of common stock, net of $16,949 of offering costs 441,901 $ 8 441,893      
Issuance of common stock in connection with our acquisitions (in shares)   1,361,000        
Issuance of common stock in connection with our acquisitions $ 75,150 $ 2 75,148      
Stock option exercises (in shares) 658,564 27,000       632,000
Stock option exercises $ 13,163   2,468     $ 10,695
Issuance of restricted stock (in shares)   0       1,807,000
Issuance of restricted stock 0 $ 0 (14,598)     $ 14,598
Treasury stock purchased, at cost (in shares)           1,407,000
Treasury stock purchased, at cost (57,112)   473     $ (57,585)
Retirement of treasury stock (in shares)   (600,000)       (600,000)
Retirement of treasury stock   $ (1) (7,388)   (20,693) $ 28,082
Stock-based compensation 51,836   51,836      
Other comprehensive income - derivative instruments (552)     (552)    
Foreign currency translation (183)     (183)    
Net income 34,725       34,725  
Ending Balance (in shares) at Dec. 31, 2018   95,991,000       2,341,000
Ending Balance at Dec. 31, 2018 $ 1,063,024 $ 96 $ 1,187,683 $ (492) $ (58,793) $ (65,470)