Annual report pursuant to Section 13 and 15(d)

Consolidated Statement of Stockholders' Equity

v3.10.0.1
Consolidated Statement of Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock
Treasury Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Income (Loss)
Accumulated Deficit
Non-controlling Interest
Balance at period start at Dec. 31, 2015 $ 439,927 $ 270 $ (20,654) $ 474,726 $ 194 $ (15,007) $ 398
Balance at period start (in shares) at Dec. 31, 2015   53,925,415 (11,946,289)        
Increase (decrease) in shareholders' equity              
Exercise of stock options 4,924 $ 2   4,922      
Exercise of stock options (in shares)   598,382          
Issuance of common stock - vesting of restricted stock units 6 $ 6          
Issuance of common stock - vesting of restricted stock units (in shares)   1,118,889          
Stock-based compensation expense 32,572     32,572      
Excess tax benefits from stock-based compensation expense 4,455     4,455      
Purchase of treasury stock for stock-based tax withholdings (10,966)   $ (10,966)        
Purchase of treasury stock for stock-based tax withholdings (in shares)     (412,220)        
Common stock shares repurchased (1,448)   $ (1,448)        
Common stock shares repurchased (in shares)     (43,610)        
Foreign currency translation loss (412)       (412)    
Loss on foreign currency contracts designated as cash flow hedges reclassified to earnings (204)       (204)    
Net income (loss) (55,567)         (55,567)  
Balance at period end at Dec. 31, 2016 413,287 $ 278 $ (33,068) 516,675 (422) (70,574) 398
Balance at period end (in shares) at Dec. 31, 2016   55,642,686 (12,402,119)        
Increase (decrease) in shareholders' equity              
Exercise of stock options 7,951 $ 4   7,947      
Exercise of stock options (in shares)   837,857          
Issuance of common stock - vesting of restricted stock units 5 $ 5          
Issuance of common stock - vesting of restricted stock units (in shares)   969,513          
Stock-based compensation expense 31,635     31,635      
Purchase of treasury stock for stock-based tax withholdings $ (13,974)   $ (13,974)        
Purchase of treasury stock for stock-based tax withholdings (in shares)     (347,296)        
Common stock shares repurchased (in shares) 0            
Foreign currency translation loss $ 1,046       1,046    
Net income (loss) (3,280)         (3,280)  
Balance at period end at Dec. 31, 2017 436,670 $ 287 $ (47,042) 556,257 624 (73,854) 398
Balance at period end (in shares) at Dec. 31, 2017   57,450,056 (12,749,415)        
Increase (decrease) in shareholders' equity              
Adoption of ASC 606 (See Note 4) 9,217         9,217  
Exercise of stock options 5,305 $ 2   5,303      
Exercise of stock options (in shares)   359,345          
Issuance of common stock - vesting of restricted stock units 4 $ 4          
Issuance of common stock - vesting of restricted stock units (in shares)   1,073,681          
Stock-based compensation expense 40,245     39,969     276
Purchase of treasury stock for stock-based tax withholdings $ (20,816)   $ (20,816)        
Purchase of treasury stock for stock-based tax withholdings (in shares)     (367,683)        
Common stock shares repurchased (in shares) 0            
Issuance of non-controlling units in private company $ 473           473
Issuance of Convertible Notes due 2023, net of offering costs 46,611     46,611      
Issuance of common stock and warrants - private placement, net of offering costs 118,161 $ 13   118,148      
Issuance of common stock - private placement (in shares)   2,355,816          
Purchase of non-controlling units in ERS (6,560)     (5,160)     (1,400)
Reclassification of redeemable units 900           900
Foreign currency translation loss (1,618)       (1,618)    
Net income (loss) 4,010         5,755 (1,745)
Balance at period end at Dec. 31, 2018 $ 632,602 $ 306 $ (67,858) $ 761,128 $ (994) $ (58,882) $ (1,098)
Balance at period end (in shares) at Dec. 31, 2018   61,238,898 (13,117,098)