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Consolidated Balance Sheets (Parenthetical) - $ / shares
Mar. 31, 2019
Dec. 31, 2018
Consolidated Balance Sheets [Abstract]    
Preferred Stock, No Par Value
Preferred Stock, Shares Authorized 5,000,000 5,000,000
Common Stock, Par Value Per Share $ 0.10 $ 0.10
Common Stock, Shares Authorized 10,000,000 10,000,000
Common Stock, Shares, Issued 6,301,263 6,295,113
Treasury Stock, Shares 13,807 2,470