2. Significant Accounting Polices	6 Months Ended
Jun. 30, 2017
Accounting Policies [Abstract]
Significant Accounting Polices	Cash and Cash Equivalents. Opexa considers all highly liquid investments with an original maturity of three months or less, when purchased, to be cash equivalents. Investments with maturities in excess of three months but less than one year are classified as short-term investments and are stated at fair market value. Opexa primarily maintains cash balances on deposit in accounts at a U.S.-based financial institution. The aggregate cash balance on deposit in these accounts is insured by the Federal Deposit Insurance Corporation up to $250,000. Opexa’s cash balances on deposit in these accounts may, at times, exceed the federally insured limits. Opexa has not experienced any losses in such accounts. As of June 30, 2017, Opexa had approximately $1.6 million in a savings account. For the six months ended June 30, 2017, the savings account recognized an average market yield of 0.06%. Interest income of $648 was recognized for the six months ended June 30, 2017 in the consolidated statements of operations. Recent Accounting Pronouncements. The Company has implemented all new accounting pronouncements that are in effect and that may impact its consolidated financial statements. Management has also considered all recent accounting pronouncements issued since the last audit of the Company’s financial statements. The Company’s management believes that these recent pronouncements will not have a material effect on the Company’s financial statements.

2. Significant Accounting Polices

6 Months Ended

Jun. 30, 2017

Cash and Cash Equivalents.

Opexa considers all highly liquid investments with an original maturity of three months or less, when purchased, to be cash equivalents. Investments with maturities in excess of three months but less than one year are classified as short-term investments and are stated at fair market value.

Opexa primarily maintains cash balances on deposit in accounts at a U.S.-based financial institution. The aggregate cash balance on deposit in these accounts is insured by the Federal Deposit Insurance Corporation up to $250,000. Opexa’s cash balances on deposit in these accounts may, at times, exceed the federally insured limits. Opexa has not experienced any losses in such accounts.

As of June 30, 2017, Opexa had approximately $1.6 million in a savings account. For the six months ended June 30, 2017, the savings account recognized an average market yield of 0.06%. Interest income of $648 was recognized for the six months ended June 30, 2017 in the consolidated statements of operations.

Recent Accounting Pronouncements. The Company has implemented all new accounting pronouncements that are in effect and that may impact its consolidated financial statements. Management has also considered all recent accounting pronouncements issued since the last audit of the Company’s financial statements. The Company’s management believes that these recent pronouncements will not have a material effect on the Company’s financial statements.