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Acquisitions (Tables)
6 Months Ended
Mar. 31, 2013
Roche Madison Inc. [Member]
 
Summary of Estimated Fair Values at Date of Acquisition

The following table summarizes the estimated fair values at the date of acquisition:

 

Current assets

   $ 432,709   

Property and equipment

     7,215,206   

Intangible assets

     1,174,935   

Other noncurrent assets

     6,264   

Current liabilities

     (414,122

Noncurrent liabilities

     (1,570,072

Gain on purchase

     (1,576,106
  

 

 

 

Total purchase consideration

   $ 5,268,814   
  

 

 

 
Purchase Consideration

The purchase consideration was composed of the following:

 

Promissory note due Roche

   $ 50,000   

Contingent consideration

     84,935   

Shares issued to Roche

     5,133,879   
  

 

 

 

Total purchase consideration

   $ 5,268,814   
  

 

 

 
Alvos acquisition [Member]
 
Summary of Estimated Fair Values at Date of Acquisition

The following table summarizes the estimated fair values at the date of acquisition:

 

Current assets

   $ 29,332   

In-process R&D

     2,172,387   

Current liabilities

     (113,033
  

 

 

 

Total purchase consideration

   $ 2,088,686   
  

 

 

 
Purchase Consideration

The purchase consideration was comprised of shares of Arrowhead Common Stock issued to the former shareholders of Alvos Therapeutics, Inc.

 

Shares issued

     315,457   

Price per share

   $ 6.34   
  

 

 

 

Share consideration

   $ 2,000,000   

Contingent consideration

     88,686   
  

 

 

 

Total purchase consideration

   $ 2,088,686