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Nature of Operations and Summary of Significant Accounting Policies - Summary of Property and Equipment (Detail) (USD $)
Sep. 30, 2013
Sep. 30, 2012
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross $ 2,257,895 $ 880,338
Less: accumulated depreciation and amortization (628,231) (460,223)
Construction in progress   70,964
Total property and equipment, net 1,629,664 491,079
Equipment [Member]
   
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 1,054,868 684,552
Furniture and fixtures [Member]
   
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross 227,189 130,559
Leasehold improvements [Member]
   
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross $ 975,838 $ 65,227