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Commitments and Contingencies | 12 Months Ended
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Dec. 31, 2012
Commitments and Contingencies Disclosure [Abstract] |
Commitments and Contingencies | Commitments and Contingencies Commitments In connection with the acquisition of certain Kristalose assets during 2011, the Company is required to make quarterly payments based on a percentage of Kristalose net sales through November 2018. The payments are being treated as consideration for the assets acquired, and are being capitalized and amortized over the remaining expected useful life of the acquired asset, generally 15 years. In connection with its licensing agreements for Caldolor, the Company is required to pay royalties based on Caldolor net sales over the life of the contracts. Royalty expense is recognized as a component of selling and marketing expense in the period that revenue is recognized. Legal Matters The Company developed a new formulation of Acetadote (acetylcysteine) Injection as part of a Phase IV commitment in response to a request by the Food and Drug Administration (“FDA”). In April 2012, the United States Patent and Trademark Office (the “USPTO”) issued U.S. Patent number 8,148,356 (the “Acetadote Patent”), which is assigned to the Company and scheduled to expire in May 2026. Following the issuance of the Acetadote Patent, the Company received separate Paragraph IV certification notices from InnoPharma, Inc., Paddock Laboratories, LLC, Mylan Institutional LLC, Sagent Agila LLC and Perrigo Company challenging the Acetadote Patent on the basis of non-infringement and/or invalidity. The Company responded by filing five separate infringement lawsuits to contest each of the challenges. On November 12, 2012, the Company entered into a settlement agreement with Paddock Laboratories, LLC and Perrigo Company to resolve the challenges and the pending litigation with those two companies. The remaining infringement suits are currently pending. On November 13, 2012, the Company brought suit against the FDA contesting the FDA's decision to approve the Innopharma Inc. generic. The Company intends to continue to vigorously defend and protect its Acetadote product and related intellectual property rights. In November 2012, the Company also received a Notice of Allowance for a second Acetadote patent with a term that expires in August 2025. If the Company is unable to successfully defend the Acetadote patents and related intellectual property rights associated with its Acetadote product, its financial condition and results of operations could be adversely affected in the event of a loss of patent and lower sales volumes due to competition. The Company is a party to various other legal proceedings in the ordinary course of its business. In the opinion of management, the liability associated with these matters, other than the Acetadote patent issue discussed above, will not have a material adverse effect on the Company's consolidated financial position, results of operations or cash flows.

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