Quarterly report pursuant to Section 13 or 15(d)

SCHEDULE OF PORTFOLIO INVESTMENTS (Details)

v3.5.0.2
SCHEDULE OF PORTFOLIO INVESTMENTS (Details) - USD ($)
Dec. 31, 2015
Dec. 31, 2014
Schedule Of Investments [Line Items]    
Investments, Value $ 42,433,710  
Liabilities in excess of other assets (147,188)  
Net Assets 42,286,522  
RMR Asia Pacific Fund Fractional Shares    
Schedule Of Investments [Line Items]    
Investments, Value [1] $ 0  
Investments, Shares [1] 2  
Short-term Investments | SSgA Money Market Fund Annualized Yield    
Schedule Of Investments [Line Items]    
Investments, Value $ 3,526,337  
Investments, Shares 3,526,337  
Real Estate Investment Trusts | Common Stocks    
Schedule Of Investments [Line Items]    
Investments, Value $ 3,106,050  
Real Estate Investment Trusts | Common Stocks | Diversified Real Estate Investment Trusts | Public Storage    
Schedule Of Investments [Line Items]    
Investments, Value $ 668,790  
Investments, Shares 2,700  
Real Estate Investment Trusts | Common Stocks | Industrial Real Estate Investment Trusts    
Schedule Of Investments [Line Items]    
Investments, Value $ 2,437,260  
Real Estate Investment Trusts | Common Stocks | Industrial Real Estate Investment Trusts | CubeSmart    
Schedule Of Investments [Line Items]    
Investments, Value $ 734,880  
Investments, Shares 24,000  
Real Estate Investment Trusts | Common Stocks | Industrial Real Estate Investment Trusts | Extra Space Storage, Inc.    
Schedule Of Investments [Line Items]    
Investments, Value $ 1,058,520  
Investments, Shares 12,000  
Real Estate Investment Trusts | Common Stocks | Industrial Real Estate Investment Trusts | Sovran Self Storage, Inc.    
Schedule Of Investments [Line Items]    
Investments, Value $ 643,860  
Investments, Shares 6,000  
Real Estate Investment Trusts | Preferred Stocks    
Schedule Of Investments [Line Items]    
Investments, Value $ 1,176,750  
Real Estate Investment Trusts | Preferred Stocks | Industrial Real Estate Investment Trusts | CubeSmart | 7.75% Series A Preferred Stock    
Schedule Of Investments [Line Items]    
Investments, Value $ 392,250  
Investments, Shares 15,000  
Real Estate Investment Trusts | Preferred Stocks | Retail Real Estate Investment Trusts    
Schedule Of Investments [Line Items]    
Investments, Value $ 784,500  
Real Estate Investment Trusts | Preferred Stocks | Retail Real Estate Investment Trusts | Pennsylvania Real Estate Investment Trust | 8.25% Series A Preferred Stock    
Schedule Of Investments [Line Items]    
Investments, Value $ 387,150  
Investments, Shares 15,000  
Real Estate Investment Trusts | Preferred Stocks | Retail Real Estate Investment Trusts | Realty Income Corp | 6.625% Series F Preferred Stock    
Schedule Of Investments [Line Items]    
Investments, Value $ 397,350  
Investments, Shares 15,000  
Wholly Owned Subsidiaries    
Schedule Of Investments [Line Items]    
Investments, Value $ 34,624,573  
Wholly Owned Subsidiaries | SSG Bolingbrook LLC    
Schedule Of Investments [Line Items]    
Member Equity Interest 100.00% 100.00%
Investments, Value $ 6,100,000  
Wholly Owned Subsidiaries | SSG Dolton LLC    
Schedule Of Investments [Line Items]    
Member Equity Interest 100.00% 100.00%
Investments, Value $ 5,900,000  
Wholly Owned Subsidiaries | SSG Merrillville LLC    
Schedule Of Investments [Line Items]    
Member Equity Interest 100.00% 100.00%
Investments, Value $ 5,700,000  
Wholly Owned Subsidiaries | SSG Rochester LLC    
Schedule Of Investments [Line Items]    
Member Equity Interest 100.00% 100.00%
Investments, Value $ 5,950,000  
Wholly Owned Subsidiaries | SSG Sadsbury LLC    
Schedule Of Investments [Line Items]    
Member Equity Interest 100.00% 100.00%
Investments, Value $ 5,700,000  
Wholly Owned Subsidiaries | SSG Summerville I LLC    
Schedule Of Investments [Line Items]    
Member Equity Interest 100.00% 100.00%
Investments, Value $ 3,400,000  
Wholly Owned Subsidiaries | SSG Summerville II LLC    
Schedule Of Investments [Line Items]    
Member Equity Interest 100.00% 100.00%
Investments, Value $ 1,850,000  
Wholly Owned Subsidiaries | SSG Operations LLC    
Schedule Of Investments [Line Items]    
Member Equity Interest 100.00% 100.00%
Investments, Value $ 24,573  
Wholly Owned Subsidiaries | Self Storage Properties    
Schedule Of Investments [Line Items]    
Investments, Value $ 34,600,000  
Wholly Owned Subsidiaries | Self Storage Properties | SSG Bolingbrook LLC    
Schedule Of Investments [Line Items]    
Member Equity Interest [1],[2] 100.00%  
Investments, Value [1],[2] $ 6,100,000  
Wholly Owned Subsidiaries | Self Storage Properties | SSG Dolton LLC    
Schedule Of Investments [Line Items]    
Member Equity Interest [1],[2] 100.00%  
Investments, Value [1],[2] $ 5,900,000  
Wholly Owned Subsidiaries | Self Storage Properties | SSG Merrillville LLC    
Schedule Of Investments [Line Items]    
Member Equity Interest [1],[2] 100.00%  
Investments, Value [1],[2] $ 5,700,000  
Wholly Owned Subsidiaries | Self Storage Properties | SSG Rochester LLC    
Schedule Of Investments [Line Items]    
Member Equity Interest [1],[2] 100.00%  
Investments, Value [1],[2] $ 5,950,000  
Wholly Owned Subsidiaries | Self Storage Properties | SSG Sadsbury LLC    
Schedule Of Investments [Line Items]    
Member Equity Interest [1],[2] 100.00%  
Investments, Value [1],[2] $ 5,700,000  
Wholly Owned Subsidiaries | Self Storage Properties | SSG Summerville I LLC    
Schedule Of Investments [Line Items]    
Member Equity Interest [1],[2] 100.00%  
Investments, Value [1],[2] $ 3,400,000  
Wholly Owned Subsidiaries | Self Storage Properties | SSG Summerville II LLC    
Schedule Of Investments [Line Items]    
Member Equity Interest [1],[2] 100.00%  
Investments, Value [1],[2] $ 1,850,000  
Wholly Owned Subsidiaries | Other | SSG Operations LLC    
Schedule Of Investments [Line Items]    
Member Equity Interest [1],[2] 100.00%  
Investments, Value [1],[2] $ 24,573  
[1] Illiquid and/or restricted security that has been fair valued.
[2] Controlled affiliate.