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Income Taxes (Details Textual) (USD $)
 12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2012
Income Taxes (Textual) [Abstract]      
Net change in total valuation allowance $ 2,247,615 $ (17,388)  
Valuation allowance to reduce deferred tax assets (9,344,389) (7,096,774)  
Operating Loss Expiration Start Year 2018    
Net operating loss carryforwards for state purposes 31,323,928    
Research and development credit carryforwards 29,306    
Alternative minimum tax credit carryforwards 66,320 71,128  
Net operating loss carryforward will begin to expire 2013    
Research and development credits Expiry period Beginning year 2023    
Accrued interest     0
Research and development credit [Member]
      
Schedule Of Income Tax [Line Items]      
Investment credit carryforwards 21,963    
Manufacturers' investment credit [Member]
      
Schedule Of Income Tax [Line Items]      
Investment credit carryforwards 16,568    
Stock Option [Member]
      
Schedule Of Income Tax [Line Items]      
Federal and state net operating losses 15,665,767    
Domestic [Member]
      
Schedule Of Income Tax [Line Items]      
Net operating loss carryforwards $ 38,161,579