Consolidated Statements of Comprehensive Loss (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net loss	$ (939)	$ (307)	$ (2,352)	$ (1,149)
Other comprehensive income:
Unrealized gain on investments, net of tax of $1, $0, $8, and $0, respectively	2	3	11	4
Other comprehensive income	2	3	11	4
Comprehensive loss	$ (937)	$ (304)	$ (2,341)	$ (1,145)