Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Net income (loss)	$ (911)	$ 979	$ (1,648)	$ 1,277
Other comprehensive income (loss):
Unrealized gain on available-for-sale securities	1
Other comprehensive gain before tax	1
Income tax benefit (expense) related to comprehensive income	0	0	0	0
Other comprehensive income, net of tax	1
Comprehensive income (loss)	$ (910)	$ 979	$ (1,648)	$ 1,277