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INVESTMENTS IN UNCONSOLIDATED ENTITIES (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Sep. 28, 2017
Equity Method Investment Summarized Financial Information Impairment Of Real Estate Investment Property $ 862,190          
Impairment Charge less than Percentage Of Investments In real estate property     1.00%      
Book Value Of Property After Impairment Charge Is Less Than Investments In Real Estate Property     2.00%      
Rich Uncles Real Estate Investment Trust 1 [Member]            
Equity Method Investment, Ownership Percentage 4.30%   4.30%   4.40% 72.70%
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners           27.30%
Dividends $ 68,316   $ 136,632      
Equity Method Investment Summarized Financial Information Impairment Of Real Estate Investment Property [1] $ 862,190 $ 0 $ 862,190 $ 0    
Rich Uncles Real Estate Investment Trust 1 [Member] | Hagg Lane II, LLC [Member]            
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners           23.40%
Rich Uncles Real Estate Investment Trust 1 [Member] | Hagg Lane III, LLC [Member]            
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners           3.90%
[1] During the three months ended June 30, 2018, REIT I recorded an impairment charge of $862,190 related to its investment in a property in Antioch, California due to the expiration of the tenant’s lease term at December 31, 2017 and REIT I’s subsequent difficulties encountered during the second quarter in its efforts to re-lease the property at acceptable rent rates and without incurring substantial potential tenant improvement costs. The impairment charge is less than 1% of REIT I’s total investments in real estate property and the book value of the property after the impairment charge is less than 2.0% of REIT I’s total investments in real estate property as of June 30, 2018.