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Acquisitions | 12 Months Ended
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Sep. 30, 2015
Asset Acquisition [Abstract] |
Acquisitions | NOTE 2. ACQUISITIONS On March 3, 2015, the Company entered into an Asset Purchase and Exclusive License Agreement (the “RNAi Purchase Agreement”) with Novartis Institutes for BioMedical Research, Inc., a Delaware corporation (“Novartis”), pursuant to which the Company acquired Novartis’ RNAi assets and rights thereunder. Pursuant to the RNAi Purchase Agreement, the Company acquired or licensed certain patents and patent applications owned or controlled by Novartis related to RNAi therapeutics, assignment of a third-party license, rights to three pre-clinical RNAi candidates, and other related assets (collectively, the “Purchased Assets”). The acquisition of the Purchased Assets closed on March 3, 2015, concurrent with execution of the RNAi Purchase Agreement (the “Closing”). In consideration for the Purchased Assets, the Company made certain payments to Novartis, including: (a) a payment of $10,000,000 in cash, and 3,321,383 shares of the Company’s common stock (the “Shares”); (b) escalating royalties in the single digits based upon annual net sales thresholds for certain RNAi products sold by the Company; and (c) milestone payments tied to the achievement of certain development and sales milestones for each target being developed by the Company. Pursuant to the RNAi Purchase Agreement, prior to initiation of a phase 2 Clinical Trial (as defined, along with all other italicized terms in this section, in the RNAi Purchase Agreement) for a given RNAi Product or Arrowhead RNAi Product directed to an Initial Target, Novartis has an exclusive right to negotiate a license under any Intellectual Property Rights owned or exclusively licensed to the Company to make, sell or otherwise commercially exploit such RNAi Product or Arrowhead RNAi Product. After initiation of a phase 2 Clinical Trial for a given Arrowhead RNAi Product (“ROFN Candidate”), Novartis shall have a right of first negotiation on the ROFN Candidate developed by the Company and its affiliates relating to the purchased assets. If the Company proposes to out-license, or enters into substantive negotiations to out-license, any ROFN Candidate, the Company must give notice of the ROFN Candidate it proposes to out-license and negotiate exclusively and in good faith with Novartis for a period of time regarding the applicable out-license. In addition to the consideration paid by the Company at the closing of the Transaction, the Company is obligated to make certain royalty and milestone payments to Novartis upon the occurrence of certain events. For sales of any RNAi Products for which Novartis and the Company do not enter into a licensing arrangement, the Company will be obligated to pay royalty rates ranging in the low to mid-single digits on Net Sales depending upon the type of RNAi Product provided that the royalty rate may be reduced or offset in certain circumstances. The obligation to pay royalties on such candidates will last until the later of (i) the expiration of the last Valid Claim Covering such RNAi Product in such country and (ii) 11 years after the first commercial sale of such RNAi Product (as such italicized terms are defined in the RNAi Purchase Agreement). The Company will also be obligated to make cash payments to Novartis upon the achievement of various milestones for any RNAi Products for which Novartis and the Company do not enter into a licensing arrangement. These milestones include the initiation of phase 2 and 3 clinical trials, U.S. and other regulatory approvals, and annual sales milestones. These milestone payments could total an amount in the mid to upper double digit millions of dollars. The following table summarizes the estimated relative fair values of the assets acquired at the date of acquisition:
Intangible assets - patents |  | $ | 21,728,334 |
Intangible assets – license |  |  | 3,128,880 |
Acquired in-process research and development - Pre-Clinical Candidates |  |  | 10,142,786 |
Total purchase consideration |  | $ | 35,000,000 |
The purchase consideration was composed of the following:
Cash Paid |  | $ | 10,000,000 |
Value of Shares Issued |  |  | 25,000,000 |
Total purchase consideration |  | $ | 35,000,000 |
The Company accounted for this transaction as an acquisition of RNAi assets, including patents, a third-party license and in process research and development for the pre-clinical candidates. The allocation of the purchase price to each asset was determined by estimating the relative fair value of each asset acquired and applying that to the total cost of the acquisition for the Company. The Company capitalized the patents and license acquired as Intangible Assets as they require no future development and will have alternative future uses as the Company expands its RNAi capabilities (see footnote 5 for additional discussion of the useful lives and amortization of these Intangible Assets). The Company expensed the portion of the purchase consideration allocated to the pre-clinical candidates as they will require future development in order to be commercialized. This expense is recorded in the “Acquired in-process research and development” line item of the Consolidated Statements of Operations.

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