Intangible Assets - Additional Information (Detail) (USD $)
|
12 Months Ended | 12 Months Ended | ||||||
---|---|---|---|---|---|---|---|---|
Sep. 30, 2014
|
Sep. 30, 2013
|
Sep. 30, 2012
|
Sep. 30, 2013
Patents
|
Jun. 30, 2013
Patents
|
Sep. 30, 2014
Patents
Minimum
|
Sep. 30, 2014
Patents
Maximum
|
Sep. 30, 2014
Licensing Agreements
|
|
Expected Amortization Expense [Line Items] | ||||||||
Intangible assets not subject to amortization, Impairment | $ 2,172,387 | $ 1,300,000 | ||||||
Capitalized intangible asset net book value | 68,538 | 123,191 | 1,667,247 | 1,300,000 | ||||
Amortization period of intangible assets | 12 years | 3 years | 20 years | 4 years | ||||
Amortization of license agreements in 2015 | 55,000 | |||||||
Amortization of license agreements in 2016 | 13,000 | |||||||
Amortization of license agreements, thereafter | 0 | |||||||
Amortization expense | 54,653 | 236,009 | 293,964 | |||||
Finite-lived intangible assets, accumulated amortization | $ 161,500 |