Restricted Cash	9 Months Ended
Sep. 30, 2013
Restricted Cash	Note 4. Restricted Cash Pursuant to the July 2012 Note financing, $1.0 million of the gross proceeds were initially required to be maintained in a segregated account and subject to a deposit control agreement while the July 2012 Notes were outstanding. Pursuant to a waiver executed by the holders of in excess of two-thirds (66-2/3%) of the principal amount of the outstanding July 2012 Notes and accepted by Opexa, the amount of the cash subject to the deposit control agreement was reduced to $500,000 on January 29, 2013. In exchange for such waiver, the Company issued warrants to the holders of the July 2012 Notes to purchase an aggregate of 187,500 shares of the Company’s common stock (see Note 10). Opexa entered into an Omnibus Amendment to All Outstanding 12% Convertible Secured Promissory Notes of Opexa Therapeutics, Inc. and Associated Registration Rights Agreement (the “July 2012 Note Amendment”) on September 23, 2013 with certain holders of its July 2012 Notes with respect to certain terms relating to conversion of the July 2012 Notes (see Note 7). Pursuant to the July 2012 Note Amendment and the Company’s subsequent conversion of all outstanding July 2012 Notes into shares of common stock on September 24, 2013 (see Note 7), the deposit control agreement was effectively terminated and the remaining $500,000 balance in the controlled account is reported as cash and cash equivalents on the consolidated balance sheets.

Note 4. Restricted Cash

Pursuant to the July 2012 Note financing, $1.0 million of the gross proceeds were initially required to be maintained in a segregated account and subject to a deposit control agreement while the July 2012 Notes were outstanding. Pursuant to a waiver executed by the holders of in excess of two-thirds (66-2/3%) of the principal amount of the outstanding July 2012 Notes and accepted by Opexa, the amount of the cash subject to the deposit control agreement was reduced to $500,000 on January 29, 2013. In exchange for such waiver, the Company issued warrants to the holders of the July 2012 Notes to purchase an aggregate of 187,500 shares of the Company’s common stock (see Note 10).

Opexa entered into an Omnibus Amendment to All Outstanding 12% Convertible Secured Promissory Notes of Opexa Therapeutics, Inc. and Associated Registration Rights Agreement (the “July 2012 Note Amendment”) on September 23, 2013 with certain holders of its July 2012 Notes with respect to certain terms relating to conversion of the July 2012 Notes (see Note 7). Pursuant to the July 2012 Note Amendment and the Company’s subsequent conversion of all outstanding July 2012 Notes into shares of common stock on September 24, 2013 (see Note 7), the deposit control agreement was effectively terminated and the remaining $500,000 balance in the controlled account is reported as cash and cash equivalents on the consolidated balance sheets.