Consolidated Statements Of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Net income (loss)	$ 5,690	$ (10,402)	$ 1,765
Other comprehensive income (loss):
Foreign currency translation adjustment	1,477	1,479	(1,726)
Unrealized gain (loss) on marketable securities, net of tax	(53)	(13)	118
Total other comprehensive income (loss)	1,424	1,466	(1,608)
Comprehensive income (loss)	$ 7,114	$ (8,936)	$ 157