Note 7 - NIH Grant Funding	3 Months Ended
Mar. 31, 2012
Grant Funding [Text Block]	7. NIH Grant Funding In September 2007, the NIH awarded us an Integrated Preclinical/Clinical AIDS Vaccine Development (IPCAVD) grant to support our HIV/AIDS vaccine program. The project period for the grant covers a five year period which commenced October 2007, with an aggregate award of $20.4 million. As of March 31, 2012 there is approximately $3.3 million of unused grant funds remaining and available for use through August 31, 2012 (the end of the original project period). We are utilizing this funding to further our HIV/AIDS vaccine development, optimization and production. We record revenue associated with the grant as the related costs and expenses are incurred and such revenue is reported as a separate line item in our statements of operations.

Note 7 - NIH Grant Funding

3 Months Ended

Mar. 31, 2012

7. NIH Grant Funding

In September 2007, the NIH awarded us an Integrated Preclinical/Clinical AIDS Vaccine Development (IPCAVD) grant to support our HIV/AIDS vaccine program. The project period for the grant covers a five year period which commenced October 2007, with an aggregate award of $20.4 million. As of March 31, 2012 there is approximately $3.3 million of unused grant funds remaining and available for use through August 31, 2012 (the end of the original project period). We are utilizing this funding to further our HIV/AIDS vaccine development, optimization and production. We record revenue associated with the grant as the related costs and expenses are incurred and such revenue is reported as a separate line item in our statements of operations.