Note 4 - Commitments	12 Months Ended
Note 4 - Commitments	Dec. 31, 2012
Disclosure Text Block Supplement [Abstract]
Commitments Disclosure [Text Block]	4. Commitments Lease Agreements We lease approximately 8,400 square feet of office and laboratory space located in Smyrna, Georgia (metropolitan Atlanta). Rent expense for the years ended December 31, 2012, 2011 and 2010 was $118,801, $119,255, and $118,988, respectively. Future minimum lease payments pursuant to the 62 month lease total $125,180 in 2013 and $128,920 in 2014. Other Commitments In the normal course of business, we may enter into various firm purchase commitments related to production and testing of our vaccine material, conduct of clinical trials, and other research-related activities. As of December 31, 2012, we had approximately $510,000 of unrecorded outstanding purchase commitments to our vendors and subcontractors, all of which we expect will be due in 2013.

The entire disclosure for significant arrangements with third parties, which includes operating lease arrangements and arrangements in which the entity has agreed to expend funds to procure goods or services, or has agreed to commit resources to supply goods or services, and operating lease arrangements. Descriptions may include identification of the specific goods and services, period of time covered, minimum quantities and amounts, and cancellation rights.

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