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
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 1,192		$ 3,480		$ (614)		$ 4,695
Other comprehensive (loss) income:
Foreign currency translation adjustments	(135)	[1]	162	[1]	(493)	[1]	439	[1]
Unrealized (losses) gains from marketable securities, net of tax	(12)		2		3		(10)
Total other comprehensive (loss) income	(147)		164		(490)		429
Comprehensive income (loss)	$ 1,045		$ 3,644		$ (1,104)		$ 5,124

[1] In all periods presented, there were no tax impacts related to rate changes and no amounts were reclassified to earnings.