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Basic and Diluted Earnings Per Share (Tables)
6 Months Ended
Jun. 30, 2017
Basic and Diluted 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)2017201620172016
Basic and diluted:
Net earnings$1,995$1,931$3,885$4,122
Weighted average common shares outstanding3,643,5933,643,5033,643,5673,643,493
Net earnings per share$0.55$0.53$1.07$1.13