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Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Stockholders' Equity    
Preferred stock, no par value      
Preferred stock, shares authorized 5,000 5,000
Preferred stock, shares issued      
Preferred stock, shares outstanding      
Common stock, no par value      
Common stock, shares authorized 20,000 20,000
Common stock, shares issued 10,905 10,899
Common stock, shares outstanding 10,905 10,899