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Property and Equipment - Summary of Property and Equipment (Detail) (USD $)
Sep. 30, 2014
Sep. 30, 2013
Property Plant And Equipment [Abstract]    
Computers, office equipment and furniture $ 334,162 $ 323,376
Research equipment 4,614,176 3,452,013
Software 69,623 69,623
Leasehold improvements 3,045,022 2,749,409
Total gross fixed assets 8,062,983 6,594,421
Less: Accumulated depreciation and amortization (4,190,230) (3,081,186)
Property and equipment, net $ 3,872,753 $ 3,513,235