Real Estate Investments (Tables)

12 Months Ended

Dec. 31, 2019

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	$	716,331
Jared Jewelry, Auburn Hills, MI		280,993		1,185,055		1,466,048		709,047
Best Buy, Eau Claire, WI		853,357		2,784,349		3,637,706		1,327,199
Fresenius Medical Center, Shreveport, LA		102,046		1,305,321		1,407,367		578,053
Gander Mountain, Champaign, IL		507,000		1,279,291		1,786,291		281,446
Dollar Tree, Cincinnati, OH		355,000		1,250,270		1,605,270		195,879
	$	2,959,461	$	8,932,356	$	11,891,817	$	3,807,955

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

Acquired lease intangibles not held for sale

		2019				2018
		Cost		Accumulated Amortization		Cost		Accumulated Amortization
Acquired Intangible Lease Assets (in-place lease intangibles with a weighted average          life of 33 and 64 months, respectively)	$	621,258	$	446,395	$	807,178	$	533,849
Acquired Below-Market Lease Intangibles (weighted average life of 73 and 59 months, respectively)	$	80,404	$	31,081	$	161,007	$	73,352

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

Minimum future rent

2020	$	826,688
2021		833,197
2022		641,437
2023		354,917
2024		340,501
Thereafter		414,280
	$	3,411,020