XML 67 R52.htm IDEA: XBRL DOCUMENT v3.8.0.1
Segments (Capital Expenditures) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Reconciliation of Other Significant Reconciling Items from Segments to Consolidated [Abstract]    
Acquisition of operating properties $ 17,560,745 $ 23,667,535
Capital expenditures and tenant improvements 3,621,724 4,150,213
Total real estate investments 21,182,469 27,817,748
Office/Industrial Properties [Member]    
Reconciliation of Other Significant Reconciling Items from Segments to Consolidated [Abstract]    
Capital expenditures and tenant improvements 3,418,722 4,092,875
Model Home Properties [Member]    
Reconciliation of Other Significant Reconciling Items from Segments to Consolidated [Abstract]    
Acquisition of operating properties 17,560,745 23,667,535
Retail/Mixed Use Properties [Member]    
Reconciliation of Other Significant Reconciling Items from Segments to Consolidated [Abstract]    
Capital expenditures and tenant improvements $ 203,002 $ 57,338