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Note 9 - Earnings Per Share (Details)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Earnings Per Share [Abstract]    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 187,730  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number 162,730  
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 0 200