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Deferred Compensation
12 Months Ended
Dec. 31, 2017
Compensation Related Costs [Abstract]  
Deferred Compensation
Deferred Compensation
The Company has deferred compensation agreements with certain former officers providing for payments for the longer of ten years or life from age 65. The present value of such vested future payments, $159,080 at December 31, 2017 and $171,015 at December 31, 2016, has been accrued.