Accumulated Other Comprehensive Income Reclassification Out of Accumulated Other Comprehensive Income (Tables)
 6 Months Ended
Jun. 30, 2013
Reclassifications Out of Accumulated Other Comprehensive Incme [Abstract]  
Reclassification Out Of Accumulated Other Comprehensive Income [Table Text Block]
Reporting reclassifications out of accumulated other comprehensive income for the three months ended June 30, 2013 consist of the following:
Details about Accumulated Other Comprehensive Income Components
Amount Reclassified from Accumulated Other Comprehensive Income (in thousands)
Affected Line Item in the Statement Where Net Income is Resented
Unrealized gains (losses) on available-for-sale investments
$
(55
)
Selling, general and administrative expenses