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Operating segments information to corresponding Statement of operations (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Operating segments information to corresponding Statement of operations        
Segment operating income $ 1,114 $ 1,422 $ 2,220 $ 2,299
General and Administrative (261) (207) (449) (360)
Advisory fee (207) (205) (412) (402)
Income Tax expense 0 0 0 (23)
Equity from unconsolidated subsidiaries and investees 0 (120) (6) (3)
Income from continuing-operations $ 646 $ 998 $ 1,353 $ 1,511