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Income Taxes (Details) - Federal Taxable Income Reconciliation - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Federal Taxable Income Reconciliation [Abstract]    
Net Income for Financial Reporting Purposes $ 756,268 $ 682,348
Depreciation for Tax Purposes Under Depreciation and Amortization for Financial Reporting Purposes 96,408 120,071
Acquisition Costs Expensed for Financial Reporting Purposes, Capitalized for Tax Purposes 0 47,902
Taxable Income to Partners $ 852,676 $ 850,321