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Condensed Consolidated Statements of Operations (Parenthetical) (USD $)
3 Months Ended 6 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Mar. 31, 2012
Mar. 31, 2011
Expenses        
Depreciation $ 108,531 $ 119,633 $ 225,282 $ 235,824