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Other Benefit Plans (Detail Textuals) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Investments, All Other Investments [Abstract]      
Cash value of life insurance contract $ 9,327,878 $ 9,357,712 $ 9,138,658
Income on their insurance investment total $ 214,648 $ 219,054 $ 223,841