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Stockholders' Equity
6 Months Ended
Jun. 30, 2013
Stockholders' Equity  
Stockholders' Equity

(10) Stockholders’ Equity

 

In January 2011, the Company entered into a controlled equity offering sales agreement (the “Cantor Agreement”) with Cantor Fitzgerald & Co. pursuant to which the Company could issue and sell up to 5,000,000 shares of its common stock from time to time through Cantor, acting as agent.  During the six months ended June 30, 2012, the Company issued 2,450,000 shares of common stock under the Cantor Agreement and raised $8.5 million in net proceeds.

 

In September 2012, the Company and Cantor amended the Cantor Agreement (the “Cantor Amendment”) to allow the Company to issue and sell additional shares of its common stock having an aggregate offering price of up to $44.0 million. Under the Cantor Amendment, the Company will pay Cantor a fixed commission rate of 3.0% of the gross sales price per share of any common stock sold through Cantor. The Cantor Amendment terminates upon ten day notice by either Cantor or the Company.  During the six months ended June 30, 2013, the Company issued 2,433,608 shares under the Cantor Amendment and raised $17.1 million in net proceeds.  At June 30, 2013, the Company had $4.4 million remaining in aggregate offering price available under the Cantor Amendment.

 

During the six months ended June 30, 2012, the Company issued 12,075,000 shares of its common stock in an underwritten public offering, including the underwriter’s exercise of their full over-allotment option to purchase an additional 1,575,000 shares of common stock. The net proceeds to the Company were $43.4 million, after deducting underwriting fees and offering expenses.

 

During the six months ended June 30, 2013, the Company issued 13,800,000 shares of its common stock in an underwritten public offering, including the underwriter’s exercise of their full over-allotment option to purchase an additional 1,800,000 shares of common stock. The net proceeds to the Company were $97.0 million, after deducting underwriting fees and offering expenses.