Shareholders' Equity, Stock Plans and Preferred Stock (Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable) (Details) (Stock Options and Stock Appreciation Rights (SARs), USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Stock Options and Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at beginning of period (shares)	461	451
Granted (shares)	40
Exercised (shares)	(4)
Cancelled/Expired (shares)	(26)
Outstanding at end of period (shares)	461	451
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Wieghted-Average Exercise Price, Outstanding at beginning of period	$ 6.68
Weighted-Average Exercise Price, Granted	$ 5.86
Weighted-Average Exercise Price, Exercised	$ 2.91
Weighted-Average Exercise Price, Cancelled/Expired	$ 7.06
Wieghted-Average Exercise Price, Outstanding at end of period	$ 6.62
Number of Shares, Exercisable (shares)	336
Wieghted-Average Exercise Price, Exercisable	$ 6.96