Income Taxes (Tables)
12 Months Ended
Dec. 31, 2013
Income Tax Disclosure [Abstract]  
Components of Income Before Income Taxes

The domestic and foreign components of income before provision for income taxes are as follows (in thousands):

 

     Years Ended December 31,  
     2011      2012     2013  

Domestic

   $ 9,423      $ 7,789     $ 10,389  

Foreign

     372        (1,532 )     (11,857 )
  

 

 

    

 

 

   

 

 

 

Total income (loss) before provision for income taxes

   $ 9,795      $ 6,257     $ (1,468 )
  

 

 

    

 

 

   

 

 

 
Components of Income Taxes provision

The provision for income taxes is as follows (in thousands):

 

     Years Ended December 31,  
     2011     2012     2013  

Current

      

Federal

   $ 5,477     $ 8,324     $ 5,480  

State

     235       1,181       1,346  

Foreign

     140       126       952  
  

 

 

   

 

 

   

 

 

 

Total

     5,852       9,631       7,778  
  

 

 

   

 

 

   

 

 

 

Deferred

      

Federal

     (2,022     (4,926 )     (1,379 )

State

     188       44       (177 )

Foreign

     16       (2,058 )     (8 )
  

 

 

   

 

 

   

 

 

 

Total

     (1,818     (6,940 )     (1,564 )
  

 

 

   

 

 

   

 

 

 

Total provision for income taxes

   $ 4,034     $ 2,691     $ 6,214  
  

 

 

   

 

 

   

 

 

 
Reconciliation of Company's Effective Tax Rate to Statutory Federal Income Tax Rate

A reconciliation of the Company’s effective tax rate to the statutory federal income tax rate is as follows:

 

     For the Years Ended December 31,  
     2011     2012     2013  

Statutory tax rate

       35.0       35.0       35.0

Change in valuation allowance

            (10.8       

Impact of permanent differences

     4.6        15.6        (82.3

Foreign tax rate differential

     0.3        (11.5     (346.9

Research and development credits

     (2.6            23.1   

State taxes, net of federal benefit

     3.4        13.8        (51.9

Impact of uncertain tax positions

     2.0        0.8        (3.6

Other

     (1.5     0.1        3.4   
  

 

 

   

 

 

   

 

 

 

Effective tax rate

       41.2       43.0     (423.2 )% 
  

 

 

   

 

 

   

 

 

 
Components of Deferred Tax Assets and Liabilities

The Company has deferred tax assets related to temporary differences and operating loss carryforwards as follows (in thousands):

 

     December 31,  
     2012     2013  

Deferred tax assets:

    

Net operating loss carryforwards

   $ 3,222      $ 2,375   

Deferred revenue

     1,715        627   

Amortization

     897        1,211   

Research and development credit carryforwards

     383        404   

Bad debt reserves

     71        56   

Stock compensation associated with non-qualified awards

     8,242        10,423   

Depreciation

            326   

Other

     2,136        2,369   
  

 

 

   

 

 

 

Total deferred tax assets

     16,666        17,791   

Deferred tax asset valuation allowance

     (2,463     (2,836
  

 

 

   

 

 

 

Net deferred tax assets

     14,203        14,955   
  

 

 

   

 

 

 

Deferred tax liabilities:

    

Depreciation

     (313     (1,212

Goodwill amortization

     (655     (1,236

Other

            (14
  

 

 

   

 

 

 

Total deferred tax liabilities

     (968     (2,462
  

 

 

   

 

 

 

Total

   $ 13,235      $ 12,493   
  

 

 

   

 

 

 
Summary of Liabilities for Uncertain Tax Provisions

The Company has provided liabilities for uncertain tax provisions as follows (in thousands):

 

     Years Ended
December 31,
 
         2012              2013      

Beginning balance

   $ 198       $ 251   

Gross decreases — tax positions in prior period

               

Gross increases — tax positions in current period

     53         53   
  

 

 

    

 

 

 

Ending balance

   $ 251       $ 304