Net Income (Loss) Per Share (Schedule Of Net Income Per Basic And Diluted Shares) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net Income (Loss) Per Share [Abstract]
Net income (loss)	$ (447)	$ 1,566	$ (212)	$ 3,810
Weighted Average Shares Outstanding, Basic	6,951	6,914	6,940	6,900
Per Share Amount, Basic	$ (0.06)	$ 0.23	$ (0.03)	$ 0.55
Weighted Average Shares Outstanding, Dilutive effect of common equivalent shares		48		48
Per Share Amount, Dilutive effect of common equivalent shares		$ (0.01)
Weighted Average Shares Outstanding, Dilutive	6,951	6,962	6,940	6,948
Per Share Amount, Dilutive	$ (0.06)	$ 0.22	$ (0.03)	$ 0.55