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Income Taxes (Narrative) (Details) (USD $) | 12 Months Ended
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Sep. 30, 2012
Income Taxes 2 | 35.00%
Income Taxes 3 | 38.00%
Income Taxes 4 | 25.00%
Income Taxes 5 | 30.00%
Income Taxes 6 | 16.50%
Income Taxes 7 | 15.00%
Income Taxes 8 | 50.00%
Income Taxes 9 | 24.00%
Income Taxes 10 | 25.00%
Income Taxes 11 | 15.00%
Income Taxes 12 | 15.00%
Income Taxes 13 | 50.00%
Income Taxes 14 | 50.00%
Income Taxes 15 | 24.00%
Income Taxes 16 | 25.00%
Income Taxes 17 | 25.00%
Income Taxes 18 | 18.00%
Income Taxes 19 | 20.00%
Income Taxes 20 | 22.00%
Income Taxes 21 | 24.00%
Income Taxes 22 | 25.00%
Income Taxes 23 | 35.00%
Income Taxes 24 | $ 772,433
Income Taxes 25 | 2,206,951
Income Taxes 26 | 772,433
Income Taxes 27 | 2,443,477
Income Taxes 28 | 9,773,908
Income Taxes 29 | 1,602,466
Income Taxes 30 | 5,957,458
Income Taxes 31 | 23,829,830
Income Taxes 32 | 2,517,143
Income Taxes 33 | 3,098,575
Income Taxes 34 | 20,657,167
Income Taxes 35 | $ 12,351,872

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