Note 8 - Government Grants	6 Months Ended
Jun. 30, 2014
Government Grants [Abstract]
Government Grants [Text Block]	8. Government Grants In September 2007, the NIH awarded us an Integrated Preclinical/Clinical AIDS Vaccine Development (IPCAVD) grant to support our HIV/AIDS vaccine program. We are utilizing this funding to further our HIV/AIDS vaccine development, optimization and production. The aggregate award (including subsequent amendments) totaled approximately $20.4 million and, as of June 30, 2014, there is $484,499 of unrecognized grant funds remaining and available for use through the end of the grant period (August 31, 2014). In July 2013, the NIH awarded us a Small Business Innovative Research (SBIR) grant entitled “Enhancing Protective Antibody Responses for a GM-CSF Adjuvanted HIV Vaccine.” The initial grant award of approximately $277,000 is for the first year of a two year project period beginning August 1, 2013 and has been fully utilized as of June 30, 2014. In July 2014, the NIH awarded us a grant of approximately $290,000 for the second year of the project period. We record revenue associated with these grants as the related costs and expenses are incurred and such revenue is reported as a separate line item in our statements of operations. During the three month and six month periods ended June 30, 2014, we recorded $180,441 and $337,781 of revenue associated with these grants, as compared to $441,561 and $1,238,601 for the three month and six month periods ended June 30, 2013, respectively

Note 8 - Government Grants

6 Months Ended

Jun. 30, 2014

8. Government Grants

In September 2007, the NIH awarded us an Integrated Preclinical/Clinical AIDS Vaccine Development (IPCAVD) grant to support our HIV/AIDS vaccine program. We are utilizing this funding to further our HIV/AIDS vaccine development, optimization and production. The aggregate award (including subsequent amendments) totaled approximately $20.4 million and, as of June 30, 2014, there is $484,499 of unrecognized grant funds remaining and available for use through the end of the grant period (August 31, 2014).

In July 2013, the NIH awarded us a Small Business Innovative Research (SBIR) grant entitled “Enhancing Protective Antibody Responses for a GM-CSF Adjuvanted HIV Vaccine.” The initial grant award of approximately $277,000 is for the first year of a two year project period beginning August 1, 2013 and has been fully utilized as of June 30, 2014. In July 2014, the NIH awarded us a grant of approximately $290,000 for the second year of the project period.

We record revenue associated with these grants as the related costs and expenses are incurred and such revenue is reported as a separate line item in our statements of operations. During the three month and six month periods ended June 30, 2014, we recorded $180,441 and $337,781 of revenue associated with these grants, as compared to $441,561 and $1,238,601 for the three month and six month periods ended June 30, 2013, respectively