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Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)
In Thousands, except Per Share data
Jun. 30, 2011
Dec. 31, 2010
Equity:    
Preferred stock, par value $ 0.10 $ 0.10
Preferred stock, shares authorized 1,000 1,000
Common stock, par value $ 0.10 $ 0.10
Common stock, shares authorized 83,333 83,333
Common stock, shares issued 20,685 20,630
Common stock, shares outstanding 20,685 20,630