Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Net loss	$ 456	$ (3,327)	$ (1,510)	$ (11,610)
Other comprehensive (loss) income, net of tax:
Foreign currency translation. balance	6	(6)	(6)	25
Unrealized gains (losses) on investments. balance	(32)	(2)	(31)	1
Other comprehensive (loss) income	(26)	(8)	(37)	26
Comprehensive income (loss)	$ 430	$ (3,335)	$ (1,547)	$ (11,584)