Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED BALANCE SHEETS (Parenthetical)

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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
Dec. 31, 2013
Dec. 31, 2012
Statement Of Financial Position [Abstract]    
Preferred stock, no par value      
Preferred stock, shares authorized 5,000,000 5,000,000
Preferred stock, shares issued      
Preferred stock, shares outstanding      
Common stock, no par value      
Common stock, shares authorized 20,000,000 20,000,000
Common stock, shares issued 14,493,748 14,452,660
Common stock, shares outstanding 14,493,748 14,452,660