Income Taxes (Schedule of Effective Income Tax Rate Reconciliation) (Details) - USD ($)	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Income Taxes [Abstract]
Provision for income taxes at the statutory federal tax rates	$ 367,246	$ 1,355,704
Increase (reduction) in taxes resulting from:
Dividends received deduction	(48,020)	(36,414)
Tax-exempt interest income	(219,550)	(163,011)
15% proration of tax exempt interest and dividends received decution	38,203	29,914
Officer life insurance, net	(546)	(1,292)
Nondeductible expenses	70,329	47,766
Effect of change in tax rate	152,173
Prior year true-ups and other	12,450	(55,698)
Total income tax expense	$ 372,285	$ 1,176,969
Proration percentage	15.00%	15.00%

Effective Income Tax Rate Reconciliation, Increase (Decrease), Amount [Abstract]

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible life insurance expense.

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