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Major Tenants (Details) - Major Tenants - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Revenue, Major Customer [Line Items]    
Major Tenants $ 504,860 $ 607,414
Aggregate rental income of major tenants as a percentage of total rental income 48.00% 58.00%
Dicks Sporting Goods Inc    
Revenue, Major Customer [Line Items]    
Major Tenants $ 232,950 $ 232,950
Best Buy Stores LP    
Revenue, Major Customer [Line Items]    
Major Tenants 149,334 149,333
Dollar Tree Stores Inc    
Revenue, Major Customer [Line Items]    
Major Tenants 122,576 0
TSA Stores Inc    
Revenue, Major Customer [Line Items]    
Major Tenants $ 0 $ 225,131