Common Stock Warrants	12 Months Ended
Sep. 30, 2012
Compensation and Retirement Disclosure [Abstract]
Common Stock Warrants	As of September 30, 2012, warrants to purchase a total of 28,415,600 shares of the Company’s common stock were outstanding, with a weighted average exercise price of $0.21 per share and exercise prices ranging from $0.07 per share to $13.00 per share, of which 233,700 warrants expire in fiscal 2013, 3,467,000 warrants expire in fiscal 2014, 5,374,000 warrants expire in fiscal 2015, no warrants expire in fiscal 2016, 4,340,900 warrants expire in fiscal 2017, and 15,000,000 warrants expire in fiscal 2018.

The entire disclosure for pension and other postretirement benefits.

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