Computation Of Net Income (Loss) Per Share Of Common Stock (Components Of Net Income (Loss) Per Basic And Diluted Share) (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
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Shares outstanding at end of period	8,674	10,128	8,674	10,128
Basic weighted average shares outstanding	8,687	10,177	8,685	10,197
Dilutive effect of stock options/restricted stock units	0	0	0	0
Total diluted weighted average shares outstanding	8,687	10,177	8,685	10,197
Net loss	$ (1,951)	$ (2,750)	$ (5,928)	$ (4,455)
Basic net loss per common share	$ (0.22)	$ (0.27)	$ (0.68)	$ (0.44)
Diluted net loss per common share	$ (0.22)	$ (0.27)	$ (0.68)	$ (0.44)
Stock Options And Restricted Stock Units
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	1,865	1,765	1,920	1,750