2.4.0.8119 - Disclosure - Subsequent Eventstruefalsefalse1falsefalsefalseeol_PE10315---1310-Q0011_STD_181_20130630_0http://www.sec.gov/CIK0001069308duration2013-01-01T00:00:002013-06-30T00:00:001false4us-gaap_SubsequentEventsTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">
<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">
Note 11.  Subsequent Events</font></div>
<div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div>
<div style="TEXT-INDENT: 18pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">On
July 1, 2013, 123,231 shares of common stock were issued to holders
of the July 2012 Notes as payment of accrued interest.</font></div>
<div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div>
<div style="TEXT-INDENT: 18pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt">On
August 13, 2013, Opexa closed an underwritten public offering of 12
million shares of common stock at a price to the public of $1.50
per share for gross proceeds of $18 million.  The net proceeds
to Opexa were approximately $16.2 million, after deducting
underwriting discounts and commissions and other estimated offering
expenses.  Opexa also granted the underwriters a 30-day option
to purchase up to an additional 1.8 million shares of common stock
to cover over-allotments, if any.</font></div>
</div>falsefalsefalsenonnum:textBlockItemTypenaThe entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.No definition available.false0falseSubsequent EventsUnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.opexatherapeutics.com/taxonomy/role/NotesToFinancialStatementsSubsequentEventsTextBlock11