License Agreement	9 Months Ended
Sep. 30, 2011
License Agreement	Note 7 – License Agreement In February 2011, the Company entered into a License Agreement with LG Life Sciences, Ltd. (“LGLS”) to develop, manufacture and commercialize influenza vaccines using the Company’s proprietary VLP technology exclusively in South Korea and non-exclusively in certain other emerging countries. The term of the License Agreement is expected to terminate in 2027. Payments to the Company under the License Agreement include an upfront payment, milestone payments of up to an aggregate value of $2.5 million, reimbursements of certain development and product costs and royalty payments between ten and twenty percent from LGLS’s future commercial sales of influenza VLP vaccines. The upfront payment has been deferred and will be recognized as revenue when certain obligations in the agreement are satisfied. Payments related to milestones deemed substantive under ASU 2010-17 will be recognized upon achievement of such events. Payments for milestones not deemed substantive will be recognized over the remaining term of the research and development period upon achievement of such milestone.

Note 7 – License Agreement

In February 2011, the Company entered into a License Agreement with LG Life Sciences, Ltd. (“LGLS”) to develop, manufacture and commercialize influenza vaccines using the Company’s proprietary VLP technology exclusively in South Korea and non-exclusively in certain other emerging countries. The term of the License Agreement is expected to terminate in 2027. Payments to the Company under the License Agreement include an upfront payment, milestone payments of up to an aggregate value of $2.5 million, reimbursements of certain development and product costs and royalty payments between ten and twenty percent from LGLS’s future commercial sales of influenza VLP vaccines.

The upfront payment has been deferred and will be recognized as revenue when certain obligations in the agreement are satisfied. Payments related to milestones deemed substantive under ASU 2010-17 will be recognized upon achievement of such events. Payments for milestones not deemed substantive will be recognized over the remaining term of the research and development period upon achievement of such milestone.