Subsequent Events	6 Months Ended
Jun. 30, 2011
Subsequent Events [Abstract]
Subsequent Events [Text Block]	Note 8. Subsequent Events On July 28, 2011, the Company announced the expansion and amendment of its North American licensing partnership with Sigma-Tau for the development and commercialization of orBec® into the “European Territory” (as defined in amendment). Pursuant to this amendment, the Company received an up-front payment of $5 million and granted Sigma-Tau an exclusive license to commercialize orBec® in the European Territory. The amendment requires Sigma-Tau to make additional payments to the Company in the aggregate amount of $11 million upon the achievement of milestones. Total milestone payments due from Sigma-Tau under the agreement, including the amendment, could reach up to $20 million The next milestone, a $2 million payment, will be made upon the successful completion of the confirmatory Phase 3 clinical trial of orBec® for the treatment of GI GVHD. The amendment also requires Sigma-Tau to pay the Company a 40% royalty ( Soligenix to provide finished drug product) on net sales in the European Territory. Sigma-Tau will also cover all commercialization expenses, including launch activities. On July 26, 2011, the Company and George B. McDonald, MD (“Dr. McDonald”) entered into an amendment (the “License Agreement Amendment”) to the Exclusive License Agreement dated November 24, 1998, as amended (the “License Agreement”). Under the License Agreement, Dr. McDonald would have been entitled to receive (i) $1,250,000 upon the closing of the Sigma-Tau Amendment; and (ii) $250,000 upon an approval of orBec® by the European Medicines Agency. Pursuant to the License Agreement Amendment, the Company paid Dr. McDonald (i) $612,500 in cash and issued 1,337,793 common shares of the Company, representing $400,000 (based upon the closing price of the Company’s common stock on July 26, 2011) upon the closing of the Sigma-Tau Amendment and (ii) $400,000 in cash to be paid upon an approval of orBec® by the European Medicines Agency.

Note 8. Subsequent Events

On July 28, 2011, the Company announced the expansion and amendment of its North American licensing partnership with Sigma-Tau for the development and commercialization of orBec® into the “European Territory” (as defined in amendment). Pursuant to this amendment, the Company received an up-front payment of $5 million and granted Sigma-Tau an exclusive license to commercialize orBec® in the European Territory. The amendment requires Sigma-Tau to make additional payments to the Company in the aggregate amount of $11 million upon the achievement of milestones. Total milestone payments due from Sigma-Tau under the agreement, including the amendment, could reach up to $20 million The next milestone, a $2 million payment, will be made upon the successful completion of the confirmatory Phase 3 clinical trial of orBec® for the treatment of GI GVHD. The amendment also requires Sigma-Tau to pay the Company a 40% royalty ( Soligenix to provide finished drug product) on net sales in the European Territory. Sigma-Tau will also cover all commercialization expenses, including launch activities.

On July 26, 2011, the Company and George B. McDonald, MD (“Dr. McDonald”) entered into an amendment (the “License Agreement Amendment”) to the Exclusive License Agreement dated November 24, 1998, as amended (the “License Agreement”). Under the License Agreement, Dr. McDonald would have been entitled to receive (i) $1,250,000 upon the closing of the Sigma-Tau Amendment; and (ii) $250,000 upon an approval of orBec® by the European Medicines Agency. Pursuant to the License Agreement Amendment, the Company paid Dr. McDonald (i) $612,500 in cash and issued 1,337,793 common shares of the Company, representing $400,000 (based upon the closing price of the Company’s common stock on July 26, 2011) upon the closing of the Sigma-Tau Amendment and (ii) $400,000 in cash to be paid upon an approval of orBec® by the European Medicines Agency.