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Fair Value Measurements & Derivative Instruments - Additional Information (Detail) (USD $)
 9 Months Ended 9 Months Ended 12 Months Ended 1 Months Ended 9 Months Ended
Jun. 30, 2013
Jan. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Sep. 30, 2011
Jun. 30, 2010
Jun. 30, 2013
Warrants
Sep. 30, 2012
Warrants
Jan. 31, 2011
Unidym, Inc.
Jun. 30, 2013
Unidym, Inc.
Jun. 30, 2013
Ablaris Therapeutics, Inc.
Jun. 30, 2013
Wisepower
Fair Value Measurements Disclosure [Line Items]                        
Non cash consideration received in sale of interest in subsidiary, bonds                 $ 2,500,000      
Bond convertible conversion price per share                 $ 2.00      
Derivative assets 30,011     280,261               0
Loss from change in fair value of the derivative asset                   250,250    
Warrants issued to acquire Common Stock   833,530 912,543     329,649            
Warrants outstanding 322,150                      
Non-cash gain (loss) from change in fair value of the derivative liability             (465,869) (297,767)     9,877  
Duration of exchange rights 7 years                      
Exchange right convertible conversion ratio for first year                     0.06  
Exchange right convertible conversion ratio for second year                     0.04  
Exchange right convertible conversion ratio for third year                     0.03  
Exchange right convertible conversion ratio for fourth year                     0.02  
Exchange right convertible conversion ratio for fifth year and beyond                     0.01  
Number of exchange right sold                     675,000  
Contingent consideration $ 173,621     $ 173,621 $ 0