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Net Loss per Share (Narrative) (Details) (USD $) | 12 Months Ended
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Sep. 30, 2012
Net Loss Per Share 2 | $ 65,807,395
Net Loss Per Share 3 | $ 24,537,364
Net Loss Per Share 4 | 12,619,049
Net Loss Per Share 5 | 63,095,246
Net Loss Per Share 6 | 12,589,009
Net Loss Per Share 7 | 62,945,047
Net Loss Per Share 8 | 791,671
Net Loss Per Share 9 | 3,958,355
Net Loss Per Share 10 | 40,000
Net Loss Per Share 11 | 200,000
Net Loss Per Share 12 | 838,831
Net Loss Per Share 13 | 4,194,155
Net Loss Per Share 14 | 60,000
Net Loss Per Share 15 | 300,000
Net Loss Per Share 16 | 289,500
Net Loss Per Share 17 | 1,447,500

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