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Acquisitions (Tables)
 12 Months Ended
Sep. 30, 2013
Roche Madison Inc
  
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
  
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 solely 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