Condensed Consolidated Statements of Comprehensive Loss (Unaudited) (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	$ (590)	$ (411)	$ (2,193)	$ (2,059)
Unrealized gain on available-for- sale securities	1
Other comprehensive gain before tax	1
Other comprehensive gain, net of tax	1
Comprehensive loss	$ (589)	$ (411)	$ (2,193)	$ (2,059)