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Basic and Diluted Earnings Per Share (Tables)
9 Months Ended
Sep. 30, 2012
Earnings Per Share Abstract  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
     Quarter ended September 30,  Nine months ended September 30,
(In thousands, except share and per share data)  2012  2011  2012  2011
Basic and diluted:            
 Net earnings $1,609 $1,367 $5,103 $4,373
 Weighted average common shares outstanding  3,642,876  3,642,738  3,642,807  3,642,735
  Earnings per share $0.44 $0.38 $1.40 $1.20