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Earnings Per Share (Tables)
6 Months Ended
Jun. 30, 2012
Earnings Per Share Abstract  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
     Quarter ended June 30,  Six months ended June 30,
(In thousands, except share and per share data)  2012  2011  2012  2011
Basic and diluted:            
 Net earnings $2,029 $1,457 $3,494 $3,006
 Weighted average common shares outstanding  3,642,826  3,642,738  3,642,782  3,642,733
  Earnings per share $0.56 $0.40 $0.96 $0.83