XML 50 R35.htm IDEA: XBRL DOCUMENT v2.4.0.8
Income Taxes (Tables)
12 Months Ended
Dec. 31, 2013
Income Taxes [Abstract]  
Components of provision (benefit) for income taxes
The components of the provision (benefit) for income taxes are summarized below (in thousands):
 
 
 
Years Ended December 31,
 
 
 
2013
  
2012
  
2011
 
Current:
 
  
  
 
Federal
 
$
  
$
  
$
 
State
  
13
   
(113
)
  
259
 
Foreign
  
175
   
966
   
2,536
 
Total current
  
188
   
853
   
2,795
 
Deferred:
            
Federal
  
   
   
 
State
  
   
   
 
Total deferred
  
   
   
 
Total net provision for income taxes
 
$
188
  
$
853
  
$
2,795
 
Reconciliation of effective income tax rates and U.S. statutory federal income tax rate
A reconciliation of the effective income tax rates and the U.S. statutory federal income tax rate is summarized below:
 
 
 
Years Ended December 31,
 
 
 
2013
  
2012
  
2011
 
Statutory federal income tax rate
  
35.0
%
  
35.0
%
  
35.0
%
State income taxes, net of federal tax benefits
  
(0.1
)
  
(1.0
)
  
0.6
 
Change in valuation allowance
  
(111.8
)
  
23.3
   
(11.5
)
Stock compensation
  
(1.4
)
  
1.5
   
0.3
 
Foreign rate differences
  
85.3
   
(72.5
)
  
(17.1
)
Dividend from PRC investee
  
(19.6
)
  
30.1
   
3.2
 
Net loss from privately-held PRC investments
  
2.5
   
(2.6
)
  
(0.7
)
Other
  
7.6
 
  
(1.6
)
  
 
Effective tax rate
  
(2.8
)%
  
12.2
%
  
9.8
%
Deferred tax assets and liabilities
Deferred tax assets and liabilities are summarized below (in thousands):
 
 
 
As of December 31,
 
 
 
2013
  
2012
 
Deferred tax assets:
 
  
 
Net operating loss
 
$
51,818
  
$
44,155
 
Accruals and reserves not yet deductible
  
4,985
   
5,389
 
Credits
  
1,488
   
1,488
 
 
  
58,291
   
51,032
 
Deferred tax liabilities:
        
Valuation of investment portfolio
  
(288
)
  
 
 
  
(288
)
  
 
Net deferred tax assets
  
58,003
   
51,032
 
Valuation allowance
  
(58,003
)
  
(51,032
)
Net deferred tax assets
 
$
  
$
 
Reconciliation of beginning and ending amount of the gross unrecognized tax benefits
A reconciliation of the beginning and ending amount of the gross unrecognized tax benefits is as follows (in thousands):
 
Gross unrecognized tax benefits balance as of December 31, 2012
 
$
16,403
 
Add:
    
Additions based on tax positions related to the current year
  
 
Additions for tax positions of prior years
  
 
Gross unrecognized tax benefits balance as of December 31, 2013
 
$
16,403