Condensed Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net income	$ 1,309	$ 1,667	$ 1,579	$ 1,105
Change in foreign currency translation gain (loss), net of zero tax	(12)	41	(73)	(17)
Available-for-sale investments:
Change in net unrealized gain on investments, net of zero tax	52	0	37	0
Less: reclassification adjustment for net gain included in net income	(1)	0	(9)	0
Net change, net of zero tax	51	0	28	0
Other comprehensive income (loss), net	39	41	(45)	(17)
Comprehensive income	$ 1,348	$ 1,708	$ 1,534	$ 1,088