Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2015

Stockholders' Equity Note [Abstract]

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

The following table shows the components of accumulated other comprehensive income (loss) for the twelve months ended December 31, 2015, 2014, and 2013 net of immaterial tax effects:

	Foreign
	Currency
	Translation		Unrealized
	Adjustment		Gain (Loss) on
	Income		Marketable
	(Loss), Net		Securities, Net		Total
Balance - January 1, 2013	$	10,253	$	-	$	10,253
Other comprehensive income		562		-		562
Balance - December 31, 2013		10,815		-		10,815
Other comprehensive loss		(18,040)		(198)		(18,238)
Balance - December 31, 2014		(7,225)		(198)		(7,423)
Other comprehensive loss		(15,087)		(147)		(15,234)
Balance - December 31, 2015	$	(22,312)	$	(345)	$	(22,657)