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Note 1 - Presentation of Interim Information (Details Textual) - USD ($)
Jan. 21, 2009
Jun. 30, 2016
Dec. 31, 2015
Cumulative Preferred Stock Subject to Mandatory Redemption [Member] | Private Placement [Member] | First Harrison REIT, Inc. [Member]      
Preferred Stock, Shares Issued 105    
Preferred Stock, Dividend Rate, Percentage 12.50%    
Preferred Stock, Liquidation Preference, Value $ 105,000    
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners   0.20%  
Preferred Stock, Shares Issued   0 0