Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED BALANCE SHEETS (Parenthetical)

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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
Jun. 30, 2014
Dec. 31, 2013
Statement Of Financial Position [Abstract]    
Preferred stock, no par value      
Preferred stock, shares authorized 5,000,000 5,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, no par value      
Common stock, shares authorized 20,000,000 20,000,000
Common stock, shares issued 14,504,978 14,493,748
Common stock, shares outstanding 14,504,978 14,493,748