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
	Mar. 31, 2013	Mar. 31, 2012
Net Income (Loss) Per Share [Abstract]
Net income (loss)	$ (2,146)	$ 92
Weighted Average Shares Outstanding, Basic	6,961	6,933
Per Share Amount, Basic	$ (0.31)	$ 0.01
Weighted Average Shares Outstanding, Dilutive effect of common equivalent shares		49
Per Share Amount, Dilutive effect of common equivalent shares
Weighted Average Shares Outstanding, Dilutive	6,961	6,982
Per Share Amount, Dilutive	$ (0.31)	$ 0.01