Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY

v3.8.0.1
CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Common Stock
Additional paid-in capital
Accumulated other comprehensive income (loss)
Accumulated deficit
Noncontrolling interest
Balance at beginning of period (shares) at Dec. 31, 2014   19,575,150        
Balance at beginning of period at Dec. 31, 2014 $ 24,408 $ 20 $ 680,660 $ 4,953 $ (659,315) $ (1,910)
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Issuance of common stock under employee stock compensation plans, net (in shares)   379,982        
Issuance of common stock under employee stock compensation plans, net 8,849   8,849      
Shares issued in OMT acquisition 0          
Reclassification of equity component of currently redeemable convertible notes (39,628)   (39,628)      
Stock-based compensation $ 12,458   12,458      
Repurchase of common stock (shares) (6,120) (6,120)        
Repurchase of common stock $ (489)   (489)      
Other comprehensive income (50)     (50)    
Net income 229,824       229,824  
Net loss in noncontrolling interests (2,380)         (2,380)
Deconsolidation of Viking 4,290         $ 4,290
Balance at end of period (shares) at Dec. 31, 2015   19,949,012        
Balance at end of period at Dec. 31, 2015 237,282 $ 20 661,850 4,903 (429,491)  
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Issuance of common stock under employee stock compensation plans, net (in shares)   210,626        
Issuance of common stock under employee stock compensation plans, net 5,416   5,416      
Shares issued in OMT acquisition (shares)   790,163        
Shares issued in OMT acquisition 77,331 $ 1 77,330      
Reclassification of equity component of currently redeemable convertible notes 10,065   10,065      
Stock-based compensation $ 18,893   18,893      
Repurchase of common stock (shares) (40,500) (40,500)        
Repurchase of common stock $ (3,901)   (3,901)      
Other comprehensive income (2,160)     (2,160)    
Net income (1,636)       (1,636)  
Net loss in noncontrolling interests 0          
Balance at end of period (shares) at Dec. 31, 2016   20,909,301        
Balance at end of period at Dec. 31, 2016 341,290 $ 21 769,653 2,743 (431,127)  
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income 5,079          
Balance at beginning of period (shares) at Dec. 31, 2016   20,909,301        
Balance at beginning of period at Dec. 31, 2016 341,290 $ 21 769,653 2,743 (431,127)  
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Issuance of common stock under employee stock compensation plans, net (in shares)   253,364        
Issuance of common stock under employee stock compensation plans, net (5,558)   (5,558)      
Shares issued in OMT acquisition 0          
Reclassification of equity component of currently redeemable convertible notes 10,704   10,704      
Stock-based compensation $ 24,916   24,916      
Repurchase of common stock (shares) (14,000) (14,000)        
Repurchase of common stock $ (1,966)   (1,966)      
Other comprehensive income (257)     (257)    
Net income 12,556       12,556  
Net loss in noncontrolling interests 0          
Balance at end of period (shares) at Dec. 31, 2017   21,148,665        
Balance at end of period at Dec. 31, 2017 399,788 $ 21 798,205 $ 2,486 (400,924)  
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Cumulative-effect adjustment from adoption of ASU 2016-09 | Accounting Standards Update 2016-09         17,900  
Cumulative-effect adjustment from adoption of ASU 2016-09 | Accounting Standards Update 2016-09 $ 18,103   $ 456   $ 17,647