Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net income	$ 3,208	$ 1,309	$ 4,474	$ 1,579
Change in foreign currency translation loss, net of zero tax	(101)	(12)	(142)	(73)
Available-for-sale investments:
Change in net unrealized gain (loss) on investments, net of zero tax	(44)	52	(11)	37
Less: reclassification adjustment for net realized gain included in net income	(27)	(1)	(28)	(9)
Net change, net of zero tax	(71)	51	(39)	28
Other comprehensive income (loss), net	(172)	39	(181)	(45)
Comprehensive income	$ 3,036	$ 1,348	$ 4,293	$ 1,534