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Income Taxes (Tables)
 9 Months Ended
Sep. 30, 2015
Income Tax Disclosure [Abstract]  
Details of Income Taxes
The following table provides details of income taxes for the three and nine months ended September 30, 2015 and 2014 (in thousands, except percentages):
 
Three months ended
 
Nine months ended
 
September 30,
 
September 30,
 
2015
 
2014
 
2015
 
2014
Income (loss) before provision for income taxes
$
1,336

 
$
(313
)
 
$
928

 
$
(5,865
)
Provision for income taxes
450

 
727

 
1,390

 
1,659

Effective tax rate
34
%
 
(232
)%
 
150
%
 
(28
)%