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Summary of the results of operations from unconsolidated subsidiaries and investees as follows (Details) (USD $)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Summary of the results of operations from unconsolidated subsidiaries and investees as follows:    
Revenue $ 11,626 $ 11,141
Depreciation (288) (294)
Operating expenses (10,669) (10,139)
Interest expense (227) (270)
Income from continuing operations 442 438
Income from discontinued operations 0 0
Net income 442 438
Company's proportionate share of earnings (losses) $ 88 $ 88