On February 4, 2015, the Company entered into an underwriting agreement with Roth Capital Partners, LLC and Oppenheimer & Co Inc. as representatives of several underwriters (collectively, the “Underwriters”), relating to the issuance and sale of 4,900,000 shares of the Company’s common stock, in an underwritten public offering (the “February 2015 Financing”). The public offering price for each share of common stock was $5.85. The Company granted the Underwriters a 45-day option to purchase up to an additional 735,000 shares of common stock to cover over-allotments, if any.

 

The February 2015 Financing closed on February 9, 2015. The Underwriters purchased the shares at a six percent discount to the public offering price, for an aggregate discount of $1.7 million (or $0.35 per share). The Company also paid offering expenses of approximately $0.3 million. The Company received net proceeds of approximately $26.7 million. On February 24, 2015, the Underwriters partially exercised the over-allotment option and purchased 418,700 shares of common stock for net proceeds of approximately $2.3 million, net of an aggregate discount of $0.1 million (or $0.35 per share).