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Commitments and Contingencies
 12 Months Ended
Dec. 31, 2011
Commitments and Contingencies [Abstract]  
Commitments and Contingencies
(12) Commitments and Contingencies

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 a royalty 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.