Major Tenants (Tables)

12 Months Ended

Dec. 31, 2019

Accounting Policies [Abstract]

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

Major Tenants

Tenants		2019		2018
Staples the Office Superstore East, Inc.	$	214,480	$	292,676
Dollar Tree / Family Dollar Group		208,617		208,618
Sterling Jewelers Inc.		203,946		203,946
Bio-Medical Applications of Ohio, Inc.		173,256		171,150
Bassett Direct NC, LLC		164,319		0
Red Robin West, Inc.		0		296,667
KinderCare Learning Centers LLC		0		161,684
Aggregate rental income of major tenants	$	964,618	$	1,334,741
Aggregate rental income of major tenants as a percentage of total rental income		99%		100%