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Intangible Assets - Schedule of Intangible Asset (Detail) (USD $)
 3 Months Ended 9 Months Ended 12 Months Ended 122 Months Ended
Jun. 30, 2013
Jun. 30, 2013
Sep. 30, 2012
Jun. 30, 2013
Finite Lived And Indefinite Lived Intangible Assets [Line Items]        
Intangible assets not subject to amortization, beginning balance   $ 3,117,322     
Intangible assets not subject to amortization, ending balance 3,117,322 3,117,322 3,117,322 3,117,322
Intangible assets not subject to amortization, Amortization 0 0   0
Intangible assets subject to amortization, beginning balance   1,667,247 1,731,211  
Amortization   (222,345) (293,964)  
Intangible assets subject to amortization, ending balance 136,855 136,855 1,667,247 136,855
Impairment (1,308,047) (1,308,047)   (1,308,047)
Total Intangible assets, beginning balance     1,731,211  
Total Intangible assets, ending balance 3,254,177 3,254,177 4,784,569 3,254,177
Madison acquisition
        
Finite Lived And Indefinite Lived Intangible Assets [Line Items]        
Intangible assets not subject to amortization, Additions     944,935  
Intangible assets subject to amortization, Additions     230,000  
Total Intangible assets, Additions     1,174,935  
Alvos acquisition
        
Finite Lived And Indefinite Lived Intangible Assets [Line Items]        
Intangible assets not subject to amortization, Additions     2,172,387  
Intangible assets subject to amortization, Additions         
Total Intangible assets, Additions     $ 2,172,387