Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2012

Accumulated Other Comprehensive Income (Loss) [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

	Foreign currency translation adjustment (Amount in thousands)		Unrealized gain (loss) on available-for-sale securities (Amount in thousands)		Accumulated Other Comprehensive Income (Loss) (Amount in thousands)
Beginning balance at December 31, 2011	$	242	$	2	$	244
Current period change	259		6		265
Ending balance at December 31, 2012	$	501	$	8	$	509