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Joint Ventures (Narrative) (Details) (USD $)
 9 Months Ended
Sep. 30, 2012
Joint Ventures 1 50.00%
Joint Ventures 2 33.00%
Joint Ventures 3 $ 3,040,000
Joint Ventures 4 15
Joint Ventures 5 21,174
Joint Ventures 6 50.00%
Joint Ventures 7 730,000
Joint Ventures 8 40,647
Joint Ventures 9 $ 755,439