Condensed Consolidated Statements Of Comprehensive Loss (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 loss	$ (448)	$ (774)	$ (1,572)	$ (4,120)
Other comprehensive income (loss), before tax:
Foreign currency translation adjustments	(233)	115	(64)	(140)
Unrealized gains on available-for-sale securities:
Unrealized gains	24	24	36	30
Reclassification adjustment for losses included in net loss	0	0	0	21
Total unrealized gains on available-for-sale securities	24	24	36	51
Unrealized gains (losses) on foreign exchange forward contracts:
Unrealized gains (losses)	(190)	61	(121)	(231)
Reclassification adjustment for (gains) losses included in net loss	(3)	71	29	24
Total unrealized gains (losses) on foreign exchange forward contracts	(193)	132	(92)	(207)
Other comprehensive income (loss), before tax	(402)	271	(120)	(296)
Income tax provision related to items of other comprehensive income (loss)	0	0	0	0
Other comprehensive income (loss), net of tax	(402)	271	(120)	(296)
Total comprehensive loss	$ (850)	$ (503)	$ (1,692)	$ (4,416)