Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Net loss	$ (192)	$ (1,037)	$ (476)	$ (2,099)
Other comprehensive gain (loss):
Unrealized gain (loss) on investments net of tax benefit of $6, $1, $6, and $3, respectively	8	(1)	9	(4)
Other comprehensive gain (loss)	8	(1)	9	(4)
Comprehensive loss	$ (184)	$ (1,038)	$ (467)	$ (2,103)