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Fair Value Measurements (Details 1) (USD $)	9 Months Ended
Fair Value Measurements (Details 1) (USD $)	Jun. 30, 2013
Fair Value Measurements Details 1
Derivative liabilities, beginning of period	$ 19,925,000
Recorded new derivative liabilities	3,246,000
Change in estimated fair value recognized in results of operations	(8,885,000)
Derivative liabilities, end of period	$ 14,286,000

Fair value of derivative liability, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.

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