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		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Shares outstanding at end of period	8,661	10,060	8,661	10,060
Basic weighted average shares outstanding	8,697	10,112	8,689	10,168
Dilutive effect of stock options/restricted stock units	0	0	0	0
Total diluted weighted average shares outstanding	8,697	10,112	8,689	10,168
Net loss	$ (1,017)	$ (42,768)	$ (6,945)	$ (47,223)
Basic net loss per common share	$ (0.12)	$ (4.23)	$ (0.80)	$ (4.64)
Diluted net loss per common share	$ (0.12)	$ (4.23)	$ (0.80)	$ (4.64)
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	1,838	1,737	1,894	1,757