Condensed Consolidated Statements of Comprehensive Loss (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net (loss) income	$ 2,167,000	$ (214,000)	$ (1,546,000)	$ (4,022,000)
Other comprehensive (loss) income, net:
Unrealized (loss) gain on investments	56,000	(29,000)	111,000	17,000
Foreign currency translation adjustment	63,000	(39,000)	(37,000)	33,000
Total other comprehensive (loss) income	119,000	(68,000)	74,000	50,000
Comprehensive (loss) income	$ 2,286,000	$ (282,000)	$ (1,472,000)	$ (3,972,000)