Net Income 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		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Net Income Per Share [Abstract]
Net income	$ 143	$ 1,398	$ 235	$ 2,244
Weighted Average Shares Outstanding, Basic	6,935	6,894	6,934	6,893
Per Share Amount, Basic	$ 0.02	$ 0.20	$ 0.03	$ 0.33
Weighted Average Shares Outstanding, Dilutive effect of common equivalent shares	59	54	54	48
Per Share Amount, Dilutive effect of common equivalent shares				$ (0.01)
Weighted Average Shares Outstanding, Dilutive	6,994	6,948	6,988	6,941
Per Share Amount, Dilutive	$ 0.02	$ 0.20	$ 0.03	$ 0.32