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Fair Value of Assets and Liabilities (Details 2) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Impaired loans $ 769,000 $ 239,000
Foreclosed assets $ 3,254,392 $ 2,386,239
Impaired Loans [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Valuation Technique Third Party Appraisal Cash Flow
Significant Other Unobservable Input Appraisal Discounts Discounted Cash Flow / Appraisal Discounts
Weighted Average of Input (as a percent) 35.50% 2.40%
Foreclosed assets [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Valuation Technique Third Party Appraisal Appraisal
Significant Other Unobservable Input Appraisal Discounts Appraisal Discounts
Weighted Average of Input (as a percent) 17.80% 12.20%