Consolidated Statements of Changes in Shareholders' Equity (Parentheticals) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Common stock dividends declared (in Dollars per share)		0.02
Stock Issued To Directors [Member] | Common Stock [Member]
Shares issued, share based compensation		43,000	82,000
Bonuses Paid Through Stock Issuances [Member] | Common Stock [Member]
Shares issued, share based compensation		8,000	1,046,000
Common Stock [Member]
Options exercised, shares		78,000	696,000
Shares issued, share based compensation	78,000
Restricted stock unit distributions, shares	235,000	321,000	480,000
Warrants exercised, shares		2,147,000	14,215,000
6.5% Mandatory Convertible Preferred Stock dividends paid in common stock, shares	3,000	18,872,000	3,886,000
Common stock issued for assets purchased, shares		5,396,000
Treasury Stock [Member]
Repurchase of common shares	350,000