Real Estate Investments (Tables)

12 Months Ended

Dec. 31, 2018

Real Estate [Abstract]

Property, Plant and Equipment [Table Text Block]

Properties not held for sale

Property	Land		Buildings		Total		Accumulated Depreciation
Biomat USA Plasma Center, Wichita, KS	$	507,489	$	1,277,436	$	1,784,925	$	728,461
Advance Auto Parts, Middletown, OH		112,315		909,974		1,022,289		458,024
Cellular Connection, Bluffton, IN		344,008		836,108		1,180,116		373,596
Best Buy, Eau Claire, WI		474,137		1,547,025		2,021,162		675,531
Dick’s Sporting Goods, Fredericksburg, VA		1,053,836		1,241,794		2,295,630		702,630
Fresenius Medical Center, Chicago, IL		464,400		665,142		1,129,542		106,418
Zales, Enid, OK		440,000		903,630		1,343,630		137,047
Dollar Tree, West Point, MS		270,000		1,316,232		1,586,232		153,558
	$	3,666,185	$	8,697,341	$	12,363,526	$	3,335,265

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

Acquired lease intangibles not held for sale

		2018				2017
		Cost		Accumulated Amortization		Cost		Accumulated Amortization
In-Place Lease Intangibles (weighted average life of 85 and 97 months, respectively)	$	633,712	$	196,500	$	633,712	$	136,879
Above-Market Lease Intangibles (weighted average life of 70 and 82 months, respectively)		72,606		28,410		72,606		20,834
Acquired Intangible Lease Assets	$	706,318	$	224,910	$	706,318	$	157,713
Acquired Below-Market Lease Intangibles (weighted average life of 81 and 93 months, respectively)	$	283,495	$	83,820	$	283,495	$	54,236

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

Minimum future rent

2019	$	714,367
2020		660,207
2021		664,650
2022		673,025
2023		497,502
Thereafter		1,135,177
	$	4,344,928