Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statement of Stockholders' Equity

v3.19.1
Condensed Consolidated Statement of Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock
Additional paid in capital
Accumulated other comprehensive income (loss)
Retain earnings (Accumulated deficit)
Balance at beginning of period (shares) at Dec. 31, 2017   21,148,665      
Balance at beginning of period at Dec. 31, 2017 $ 399,788 $ 21 $ 798,205 $ 2,486 $ (400,924)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock under employee stock compensation plans, net (shares)   166,315      
Issuance of common stock under employee stock compensation plans, net 5,119 $ 1 5,118    
Reclassification of equity component of currently redeemable convertible notes 2,781   2,781    
Share-based compensation 4,555   4,555    
Repurchase of common stock (shares)   (13,000)      
Repurchase of common stock (1,895) $ (1) (1,894)    
Other comprehensive income (110)     (110)  
Net income 45,279       45,279
Balance at end of period (shares) at Mar. 31, 2018   21,301,980      
Balance at end of period at Mar. 31, 2018 481,100 $ 21 808,765 (286) (327,400)
Balance at beginning of period (shares) at Dec. 31, 2018   20,765,533      
Balance at beginning of period at Dec. 31, 2018 560,914 $ 21 791,114 (1,024) (229,197)
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Issuance of common stock under employee stock compensation plans, net (shares)   134,748      
Issuance of common stock under employee stock compensation plans, net (991)   (991)    
Share-based compensation 5,347   5,347    
Repurchase of common stock (shares)   (1,236,352)      
Repurchase of common stock (151,585) $ (1) (151,584)    
Other comprehensive income 230     230  
Foreign currency translation adjustment 291     291  
Other tax adjustments (569)   (569)    
Net income 666,337       666,337
Balance at end of period (shares) at Mar. 31, 2019   19,663,929      
Balance at end of period at Mar. 31, 2019 $ 1,079,974 $ 20 $ 643,317 $ (503) $ 437,140