Real Estate Investments (Tables)

12 Months Ended

Dec. 31, 2017

Real Estate [Abstract]

Property, Plant and Equipment [Table Text Block]

Properties not held for sale

Property	Land		Buildings		Total		Accumulated Depreciation
Jared Jewelry, Hanover, MD	$	861,065	$	1,128,070	$	1,989,135	$	626,083
Jared Jewelry, Auburn Hills, MI		280,993		1,185,055		1,466,048		614,247
Best Buy, Eau Claire, WI		853,357		2,784,349		3,637,706		1,104,455
Fresenius Medical Center, Shreveport, LA		102,046		1,305,321		1,407,367		468,013
Tractor Supply, Canton, GA		700,000		1,407,183		2,107,183		201,697
Gander Mountain, Champaign, IL		507,000		1,279,291		1,786,291		179,102
Dollar Tree, Cincinnati, OH		355,000		1,250,270		1,605,270		95,855
	$	3,659,461	$	10,339,539	$	13,999,000	$	3,289,452

Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block]

Acquired lease intangibles not held for sale

		2017				2016
		Cost		Accumulated Amortization		Cost		Accumulated Amortization
Acquired Intangible Lease Assets (in-place lease intangibles with a weighted average          life of 45 and 114 months, respectively)	$	807,178	$	479,753	$	807,178	$	144,226
Acquired Below-Market Lease Intangibles (weighted average life of 71 and 83 months, respectively)	$	161,007	$	54,252	$	161,007	$	35,152

Finite-lived Intangible Assets Amortization Expense [Table Text Block]

	Amortization Expense for In-Place Lease Intangibles		Increase to Rental Income for Below-Market Leases
2018	$	54,096	$	19,100
2019		54,096		19,100
2020		54,096		19,100
2021		47,762		16,348
2022		28,744		8,108
	$	238,794	$	81,756

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

Minimum future rent

2018	$	1,017,501
2019		1,017,750
2020		893,701
2021		857,067
2022		535,877
Thereafter		898,578
	$	5,220,474