2. CASH AND CASH EQUIVALENTS	12 Months Ended
Dec. 31, 2014
Cash and Cash Equivalents [Abstract]
CASH AND CASH EQUIVALENTS	As of December 31, 2014, Opexa invested approximately $8.7 million in a savings account. For the year ended December 31, 2014, the savings account recognized an average market yield of 0.10%. Interest income of $15,431 from the savings account was recognized for the year ended December 31, 2014 in the consolidated statements of operations. As of December 31, 2014 and 2013, Opexa invested approximately $24,500 in a money market fund investing exclusively in high-quality, short-term money market instruments consisting of U.S. government obligations and repurchase agreements collateralized by the U.S. Government. While this fund seeks current income while preserving capital and liquidity, the fund is subject to risk, including U.S. government obligations risk, and is not federally insured or guaranteed by or obligations of the Federal Deposit Insurance Corporation or any other agency. For the years ended December 31, 2014 and 2013, the money market fund recognized an average market yield of 0.01%. Interest income of $3 was recognized for the year ended December 31, 2014 in the consolidated statements of operations.

- Definition

The entire disclosure for cash and cash equivalent footnotes, which may include the types of deposits and money market instruments, applicable carrying amounts, restricted amounts and compensating balance arrangements. Cash and equivalents include: (1) currency on hand (2) demand deposits with banks or financial institutions (3) other kinds of accounts that have the general characteristics of demand deposits (4) short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Generally, only investments maturing within three months from the date of acquisition qualify.

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