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Going concern (Detail) (USD $)
12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest $ (999,544) $ (1,633,217)
Working Capital Deficit (405,357)  
Retained Earnings (Accumulated Deficit) (56,149,923) (55,150,379)
Net Cash Provided by (Used in) Operating Activities (1,814,348) (717,266)
Net Cash Provided by (Used in) Financing Activities $ 2,047,681 $ 766,992