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Accumulated Other Comprehensive Loss (Tables)
 3 Months Ended
Mar. 31, 2013
Accumulated Other Comprehensive Income [Abstract]  
Schedule of accumulated other comprehensive income (loss)
The changes in the balances of each component of accumulated other comprehensive loss during the first three months of 2013 are as follows:
 
Foreign currency translation adjustments
 
Unrealized gains (losses) on available for sale securities
 
Total
Balance as of January 1, 2013
$
(53
)
 
$
(10
)
 
$
(63
)
Other comprehensive loss
(986
)
 
(7
)
 
(993
)
Balance as of March 31, 2013
$
(1,039
)
 
$
(17
)
 
$
(1,056
)
For the three months ended March 31, 2013, reclassifications of items from accumulated other comprehensive loss to net income were insignificant.