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OPERATING SEGMENTS (Details 1) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Other non-segment items of income (expense)    
General and administrative $ (123) $ (130)
Net income fee (53) (60)
Advisory fee to related party (164) (162)
Net income 702 737
Total Segments [Member]    
Segment operating income 1,042 1,089
Other non-segment items of income (expense)    
General and administrative (123) (130)
Net income fee (53) (60)
Advisory fee to related party (164) (162)
Net income $ 702 $ 737