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Accrued compensation due executive officers and board of directors (Detail) - Accrued compensation due to executive officers and board of directors (USD $)
Sep. 30, 2012
Sep. 30, 2011
Accrued Compensation $ 107,514 $ 656,000
Officer [Member]
   
Accrued Compensation 86,973 387,000
Director [Member]
   
Accrued Compensation $ 20,541 $ 269,000