Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2016

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 three months ended March 31, 2016 and 2015 net of tax effects:

	Foreign Currency
	Translation Adjustment  Income		Unrealized Gain (Loss) on Marketable
	(Loss), Net		Securities, Net		Total
Balance - December 31, 2015	$	(22,312)	$	(345)	$	(22,657)
Other comprehensive income		4,817		918		5,735
Balance - March 31, 2016	$	(17,495)	$	573	$	(16,922)
Balance - December 31, 2014	$	(7,225)	$	(198)	$	(7,423)
Other comprehensive income (loss)		(16,649)		356		(16,293)
Balance - March 31, 2015	$	(23,874)	$	158	$	(23,716)