Consolidated Statements of Comprehensive Income (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	$ (1,031)	$ (6,161)	$ (6,421)	$ (9,552)
Other comprehensive (loss) income:
Unrealized (loss) gain on available-for-sale investment securities	(550)	201	(1,285)	587
Income tax effect	0	44	241	3
Other comprehensive (loss) income	(550)	157	(1,044)	584
Total comprehensive loss	$ (1,581)	$ (6,004)	$ (7,465)	$ (8,968)