COMMON STOCK - Note 10

6 Months Ended

Jun. 30, 2012

Common Stock - Note 10

COMMON STOCK

10. COMMON STOCK

In June 2012, we raised $10.5 million before issuance costs of approximately $823,000 through an underwritten public offering of 4.2 million shares of our common stock and warrants to purchase 2.1 million shares of our common stock. The warrants have an exercise price of $2.65 per share, a five year term, and are exercisable beginning one year from the date of issuance.

In May 2012, we raised approximately $5.0 million before issuance costs of approximately $71,000 from the sale of 3.3 million shares of common stock and warrants to purchase 1.0 million shares of our common stock to a strategic investor. The warrants have an exercise price of $2.12 per share, a three year term, and are exercisable beginning on the date of issuance.