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Consolidated Balance Sheets (Parenthetical) (Unaudited) (USD $)
Jun. 30, 2011
Dec. 31, 2010
Balance Sheet - Parenthetical [Abstract]    
Preferred stock, stated value (in dollars per share) $ 1,000 $ 1,000
Preferred stock, authorized (in shares) 5,000,000 5,000,000
Preferred stock, issued (in shares) 25,054 25,054
Preferred stock, outstanding (in shares) 25,054 25,054
Common stock, no par value (in dollars per share) $ 0 $ 0
Common stock, authorized (in shares) 20,000,000 20,000,000
Common stock, issued (in shares) 5,542,703 5,541,413
Common stock, outstanding (in shares) 5,542,703 5,541,413