COMMON STOCK AND WARRANTS - Note 8	6 Months Ended
Jun. 30, 2017
Common Stock And Warrants - Note 8
COMMON STOCK AND WARRANTS - Note 8	8. COMMON STOCK AND WARRANTS During the second quarter of 2017, we received $906,000 from the exercise of warrants to purchase 460,000 shares of common stock, which warrants were issued in connection with an earlier financing transactions. In May 2017, we entered into an At-The-Market (ATM) agreement with IFS Securities (DBA Brinson Patrick). As of June 30, 2017, we received gross proceeds of $3.7 million before issuance costs of approximately $125,000 from the sale of approximately 1.7 million shares of our common stock under this agreement. The agreement was terminated in June 2017 at our election without penalty. During the three months ended June 30, 2017, we received proceeds of $2.2 million from the sale of 1.2 million shares of our common stock as part of the Common Stock Purchase agreement we entered into with Lincoln Park Capital Fund, LLC (Lincoln Park) in September 2016. As of June 30, 2017, $12.8 million in shares of our common stock remain available for sale under our Common Stock Purchase Agreement. In March 2016, we raised approximately $6.9 million before issuance costs of approximately $650,000 through an underwritten public offering of approximately 4.1 million shares of our common stock. The offering included the exercise in full of the underwriter's option to purchase up to an additional 529,411 shares of our common stock. During the six months ended June 30, 2016, we received gross proceeds of $349,000 before issuance cost of approximately $10,000 from the sale of approximately 186,000 shares of our common stock as part of an ATM agreement we entered into with Meyers Associates, L.P. in May 2015. We received total gross proceeds of $3.1 million before issuance costs of approximately $109,000 from the sale of 1.2 million shares of our common stock during 2015 and 2016. There were no sales under this agreement in 2017. The agreement was terminated in May 2017 in accordance with its terms without penalty.

COMMON STOCK AND WARRANTS - Note 8

6 Months Ended

Jun. 30, 2017

8. COMMON STOCK AND WARRANTS

During the second quarter of 2017, we received $906,000 from the exercise of warrants to purchase 460,000 shares of common stock, which warrants were issued in connection with an earlier financing transactions.

In May 2017, we entered into an At-The-Market (ATM) agreement with IFS Securities (DBA Brinson Patrick). As of June 30, 2017, we received gross proceeds of $3.7 million before issuance costs of approximately $125,000 from the sale of approximately 1.7 million shares of our common stock under this agreement. The agreement was terminated in June 2017 at our election without penalty.

During the three months ended June 30, 2017, we received proceeds of $2.2 million from the sale of 1.2 million shares of our common stock as part of the Common Stock Purchase agreement we entered into with Lincoln Park Capital Fund, LLC (Lincoln Park) in September 2016. As of June 30, 2017, $12.8 million in shares of our common stock remain available for sale under our Common Stock Purchase Agreement.

In March 2016, we raised approximately $6.9 million before issuance costs of approximately $650,000 through an underwritten public offering of approximately 4.1 million shares of our common stock. The offering included the exercise in full of the underwriter's option to purchase up to an additional 529,411 shares of our common stock.

During the six months ended June 30, 2016, we received gross proceeds of $349,000 before issuance cost of approximately $10,000 from the sale of approximately 186,000 shares of our common stock as part of an ATM agreement we entered into with Meyers Associates, L.P. in May 2015. We received total gross proceeds of $3.1 million before issuance costs of approximately $109,000 from the sale of 1.2 million shares of our common stock during 2015 and 2016. There were no sales under this agreement in 2017. The agreement was terminated in May 2017 in accordance with its terms without penalty.