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Accumulated Other Comprehensive Loss (Tables)
 3 Months Ended
Mar. 31, 2013
Equity [Abstract]  
Schedule of Accumulated Other Comprehensive Loss
The changes in accumulated other comprehensive loss are as follows:

 
 
Foreign currency translation adjustment
 
Unrealized gain on available for sale securities
 
Total
 
 
(in thousands)
Balance at December 31, 2012
 
$
(825
)
 
$
59

 
$
(766
)
Other comprehensive (loss) income before reclassifications
 
(241
)
 
5

 
(236
)
Amounts reclassified from accumulated other comprehensive income*
 
—

 
—

 
—

   Total other comprehensive (loss) income
 
(241
)
 
5

 
(236
)
Balance at March 31, 2013
 
$
(1,066
)
 
$
64

 
$
(1,002
)
 
 
 
 
 
 
 
* Amounts reclassified affect other income in the consolidated statements of income.