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Restricted Cash
9 Months Ended
Sep. 30, 2012
Restricted Cash
Note 4.  Restricted Cash

Opexa issued a total of $4,085,000 in principal amount of convertible secured promissory notes to related parties and third parties on July 25, 2012 (see Note 6).  As part of the security interest granted by Opexa to the investors, $1,000,000 of the proceeds are required to be maintained in an account subject to a deposit account control agreement while the Notes are outstanding.  As of September 30, 2012, the $1,000,000 balance in the controlled account is reported as restricted cash in the consolidated balance sheets.