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Investments Investees summary and results of operations (Details) (USD $)
 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Real estate, net of accumulated depreciation, $ 11,798 $ 116,596
Notes receivable, 6,046 5,538
Other assets during the period 31,903 43,890
Notes payable during the period (13,864) (87,594)
Other liabilities during the period (6,868) (15,513)
Shareholders equity / partners capital, (29,015) (62,917)
Revenue during the period 30,546 41,453
Depreciation during the period (901) (4,887)
Operatings expenses during the period (27,478) (33,894)
Gain on lands sales during the period 0 0
Interest expenses, (798) (3,770)
Incomes (losses) from continuing operations during the period 1,369 (1,098)
Incomes from discontinued operation 0 0
Net income (loss) for the period 1,369 (1,098)
Company's proportionate share of earnings (losses) (1) $ 274 $ (28)