Consolidated Statements Of Comprehensive Loss (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Consolidated Statements Of Comprehensive Loss [Abstract]
Net loss	$ (6,168)	$ (6,711)
Other comprehensive income (loss), before tax:
Foreign currency translation adjustments	(211)	376
Unrealized gains (losses) on available-for-sale securities:
Unrealized gains (losses)	34	(79)
Reclassification adjustment for other-than-temporary impairment loss included in net loss		42
Reclassification adjustment for (gains) losses included in net loss	21	(8)
Total unrealized gains (losses) on available-for-sale securities	55	(45)
Unrealized gains (losses) on foreign exchange forward contracts:
Unrealized gains (losses)	(280)	591
Reclassification adjustment for losses included in net loss	53	74
Total unrealized gains (losses) on foreign exchange forward contracts	(227)	665
Other comprehensive income (loss), before tax	(383)	996
Income tax provision related to items of other comprehensive income (loss)		227
Other comprehensive income (loss), net of tax	(383)	769
Total comprehensive loss	$ (6,551)	$ (5,942)