Income Taxes (Tables)
12 Months Ended
Dec. 31, 2013
Income Taxes [Abstract]  
Components of Income Tax Expense
The components of income tax expense for the years ended December 31, 2013, 2012 and 2011, were as follows:


 
 
2013
  
2012
  
2011
 
Current income tax expense
 
  
  
 
Federal
 
$
14,839
  
$
18,788
  
$
17,131
 
State and local
  
1,100
   
1,380
   
1,471
 
Total
  
15,939
   
20,168
   
18,602
 
 
            
Deferred income tax benefit
            
Federal
  
(6,314
)
  
1,992
   
(807
)
State and local
  
(273
)
  
(136
)
  
(871
)
Total
  
(6,587
)
  
1,856
   
(1,678
)
Income tax expense
 
$
9,352
  
$
22,024
  
$
16,924
 

Reconciliation of Expected Income Tax Expense at Statutory Federal Income Tax Rate to Effective income Tax Rate
The reconciliation of expected income tax expense at the statutory federal income tax rate to the effective income tax rate is as follows:


 
 
2013
  
2012
  
2011
 
Expected federal income tax expense
 
$
8,218
  
$
20,613
  
$
17,086
 
Stock-based compensation
  
605
   
560
   
491
 
Non-deductible expenses
  
60
   
71
   
(465
)
State tax expense, net of federal tax effect
  
442
   
761
   
85
 
Federal credits
  
(53
)
  
-
   
(253
)
Other
  
80
   
19
   
(20
)
Income tax expense
 
$
9,352
  
$
22,024
  
$
16,924
 

Deferred Tax (Liabilities) Assets
Deferred tax assets (liabilities) reflect the net tax effects of temporary differences between the carrying amount of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. Significant components of net deferred tax (liabilities) assets are as follows:

 
December 31,
 
 
2013
 
2012
 
 
Deferred
 
Deferred
 
Deferred
 
Deferred
 
 
Tax
 
Tax
 
Tax
 
Tax
 
 
Assets
 
Liabilities
 
Assets
 
Liabilities
 
 
 
 
 
 
Class action settlement accrued expense
 
$
6,034
  
$
–
  
$
–
  
$
–
 
Stock options
  
2,691
   
–
   
2,007
   
–
 
Tax credits
  
834
   
–
   
850
   
–
 
Intangible assets
  
–
   
(651
)
  
1,330
   
–
 
Fixed assets
  
–
   
(5,400
)
  
–
   
(6,402
)
Other
  
1,122
   
(9
)
  
630
   
(356
)
Gross deferred tax assets and liabilities
  
10,681
   
(6,060
)
  
4,817
   
(6,758
)
Valuation allowance
  
(1,119
)
  
–
   
(1,142
)
  
–
 
Net deferred tax assets and liabilities
 
$
9,562
  
$
(6,060
)
 
$
3,675
  
$
(6,758
)

Reconciliation of Beginning and Ending Amounts of Unrecognized Tax Benefits
A reconciliation of the beginning and ending amounts of unrecognized tax benefits for the years ended December 31, 2013, 2012 and 2011 are as follows:

 
 
2013
  
2012
  
2011
 
Balance at January 1
 
$
345
  
$
342
  
$
606
 
Additions for tax positions related to the current year
  
76
   
17
   
53
 
Additions for tax positions of prior years
  
29
   
18
   
243
 
Reductions for tax positions of prior years
  
–
   
(10
)
  
(402
)
Settlements
  
–
   
–
   
(158
)
Reduction due to statute of limitation expiration
  
(24
)
  
(22
)
  
–
 
Balance at December 31
 
$
426
  
$
345
  
$
342