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Symphony Dynamo, Inc.
12 Months Ended
Dec. 31, 2014
Business Combinations [Abstract]  
Symphony Dynamo, Inc.

8.

Symphony Dynamo, Inc.

On April 18, 2006, we, Symphony and Holdings entered into a transaction involving a series of related agreements providing for the advancement of certain of our immunostimulatory sequences-based programs for cancer, hepatitis B and hepatitis C therapy (collectively, the “Programs”). Pursuant to these agreements, Symphony formed SDI and invested $50 million to fund the Programs, and we licensed to Holdings our intellectual property rights related to the Programs, which were assigned to SDI. As a result of these agreements, Symphony owned 100% of the equity of Holdings, which owned 100% of the equity of SDI.

In April 2007, we exercised the Program Option for the hepatitis B program. In November 2009, we entered into an agreement with Holdings to modify the provisions of and to exercise the Original Purchase Option and on December 30, 2009 we completed the acquisition of all of the outstanding equity of SDI. In conjunction with the acquisition of SDI, we agreed to contingent cash payments from us equal to 50% of the first $50 million from any upfront, pre-commercialization milestone or similar payments received by us from any agreement with any third party with respect to the development and/or commercialization of the cancer and hepatitis C therapies originally licensed to SDI. We have made no payments and have not recorded a liability as of December 31, 2014.