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Common Stock Warrants and Stock Based Compensation (Details) (USD $)
12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Compensation and Retirement Disclosure [Abstract]    
Outstanding shares, Beginning balance 54,757,000 57,984,000
Granted, Shares 6,985,000 7,765,000
Exercised, Shares (1,131,000) (2,541,000)
Expired, Shares (8,859,000) (8,451,000)
Outstanding shares, Ending balance 51,752,000 54,757,000
Exercisable Shares, Ending balance 43,309,000  
Weighted Average Exercise Price Outstanding, Beginning balance $ 0.24 $ 0.26
Granted, Weighted Average Exercise Price $ 0.08 $ 0.12
Exercised, Weighted Average Exercise Price $ 0.09 $ 0.10
Expired, Weighted Average Exercise Price $ 0.35 $ 0.32
Weighted Average Exercise Price Outstanding, Ending balance   $ 0.24