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		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Net Income (Loss) Per Share [Abstract]
Net income (loss)	$ (1,200)	$ 143	$ (3,346)	$ 235
Weighted Average Shares Outstanding, Basic	6,907	6,935	6,933	6,934
Per Share Amount, Basic	$ (0.17)	$ 0.02	$ (0.48)	$ 0.03
Weighted Average Shares Outstanding, Dilutive effect of common equivalent shares		59		54
Per Share Amount, Dilutive effect of common equivalent shares
Weighted Average Shares Outstanding, Dilutive	6,907	6,994	6,933	6,988
Per Share Amount, Dilutive	$ (0.17)	$ 0.02	$ (0.48)	$ 0.03