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Commitments and Contingencies - Future Minimum Lease Payments Under Capitalized Leases (Detail) - USD ($)
Sep. 30, 2015
Sep. 30, 2014
Leases [Abstract]    
2016 $ 228,420  
2017 228,420  
2018 228,420  
2019 95,175  
Less interest (22,095)  
Principal 758,340  
Less current portion (217,548) $ (213,991)
Noncurrent portion $ 540,792 $ 758,340