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Income Taxes Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Deferred income tax assets: |  |
Accrued benefits and retirement services | $ 3,262,719 | $ 3,061,144
Postretirement benefit obligation | 1,199,777 | 1,033,624
Other-than-temporary impairment of assets | 428,614 | 323,089
Other | 0 | 90,409
Allowance for doubtful accounts | 59,108 | 40,183
Excess of book over tax depreciation | 13,752 | 15,668
Reinsurance and commission payable | 22,000 | 25,000
Deferred Tax Assets, Other | 426,463 | 305,119
Total deferred income tax assets | 5,412,433 | 4,894,236
Deferred income tax liabilities: |  |
Deferred Tax Liabilities, Investments | 6,073,431 | 6,781,994
Net unrealized gain on investments | 3,322,336 | 2,871,114
Deferred Tax Liabilities, Property, Plant and Equipment | 986,422 | 0
Deferred Tax Liabilities, Other | 733,250 | 656,621
Total deferred income tax liabilities | 11,115,439 | 10,309,729
Net deferred income tax liabilities | $ (5,703,006) | $ (5,415,493)

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