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11. LICENSES AND GAIN ON EXTINGUISHMENT OF LIABILITY	12 Months Ended
Dec. 31, 2015
Text Block [Abstract]
LICENSES AND GAIN ON EXTINGUISHMENT OF LIABILITY	Stem Cell Technology Agreement In August 2009, Opexa entered into an exclusive agreement with Novartis for the further development of its stem cell technology. This technology, which has generated preliminary data, was in early preclinical development. Under the terms of the agreement, Novartis acquired the stem cell technology from Opexa and Novartis had full responsibility for funding and carrying out all research, development and commercialization activities. Opexa received an upfront cash payment of $3 million at the time the agreement was entered into and subsequently received $0.5 million as a technology transfer milestone fee. In November 2011, Opexa re-acquired the stem cell assets from Novartis in consideration for releasing Novartis with respect to any further payment obligations owed to Opexa by Novartis In connection with the re-acquisition of the stem cell assets, a related license agreement with the University of Chicago was re-assigned to Opexa. Opexa and the University of Chicago entered into a Fourth Amended and Restated License Agreement in connection with such assignment to Opexa. On August 12, 2014, we provided notice to the University of Chicago of our election to discontinue further prosecution of certain patents relating to the proprietary adult stem cell technology that we licensed from the University of Chicago pursuant to the Fourth Amended and Restated License Agreement dated November 2, 2011. Pursuant to the termination notice, we exercised our contractual option to return the licensed patent rights back to the University of Chicago and terminate the Fourth Amended and Restated License Agreement effective November 10, 2014 in accordance with the terms thereof.

11. LICENSES AND GAIN ON EXTINGUISHMENT OF LIABILITY

12 Months Ended

Dec. 31, 2015

LICENSES AND GAIN ON EXTINGUISHMENT OF LIABILITY

Stem Cell Technology Agreement

In August 2009, Opexa entered into an exclusive agreement with Novartis for the further development of its stem cell technology. This technology, which has generated preliminary data, was in early preclinical development. Under the terms of the agreement, Novartis acquired the stem cell technology from Opexa and Novartis had full responsibility for funding and carrying out all research, development and commercialization activities. Opexa received an upfront cash payment of $3 million at the time the agreement was entered into and subsequently received $0.5 million as a technology transfer milestone fee.

In November 2011, Opexa re-acquired the stem cell assets from Novartis in consideration for releasing Novartis with respect to any further payment obligations owed to Opexa by Novartis In connection with the re-acquisition of the stem cell assets, a related license agreement with the University of Chicago was re-assigned to Opexa. Opexa and the University of Chicago entered into a Fourth Amended and Restated License Agreement in connection with such assignment to Opexa.

On August 12, 2014, we provided notice to the University of Chicago of our election to discontinue further prosecution of certain patents relating to the proprietary adult stem cell technology that we licensed from the University of Chicago pursuant to the Fourth Amended and Restated License Agreement dated November 2, 2011. Pursuant to the termination notice, we exercised our contractual option to return the licensed patent rights back to the University of Chicago and terminate the Fourth Amended and Restated License Agreement effective November 10, 2014 in accordance with the terms thereof.