Major Tenants (Tables)

12 Months Ended

Dec. 31, 2017

Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract]

Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]

Major Tenants

Tenants		2017		2016
Sterling Jewelers Inc.	$	327,995	$	315,377
Best Buy Stores, L.P.		268,800		268,800
Tractor Supply Company		183,565		177,402
Dollar Tree Stores, Inc.		130,277		0
Gander Mountain Company		0		167,772
KinderCare Learning Centers LLC		0		145,447
Aggregate rental income of major tenants	$	910,637	$	1,074,798
Aggregate rental income of major tenants as a percentage of total rental income		76%		82%