At Market Issuance Sales Agreement	3 Months Ended
Mar. 31, 2012
At Market Issuance Sales Agreement	Note 7 – At Market Issuance Sales Agreement In March 2010, the Company entered into a sales agreement, under which the Company may sell an aggregate of $50 million in gross proceeds of its common stock. The Company’s Board of Directors has authorized the sale of up to 25 million shares of the Company’s common stock pursuant to this agreement. The shares of common stock are being offered pursuant to a shelf registration statement filed with the SEC. For the three months ended March 31, 2012, the Company sold 5.1 million shares at an average sales price of $1.42 per share, resulting in $7.1 million in net proceeds (not including $0.8 million received in early 2012 for 0.7 million shares traded in late December 2011).

Note 7 – At Market Issuance Sales Agreement

In March 2010, the Company entered into a sales agreement, under which the Company may sell an aggregate of $50 million in gross proceeds of its common stock. The Company’s Board of Directors has authorized the sale of up to 25 million shares of the Company’s common stock pursuant to this agreement. The shares of common stock are being offered pursuant to a shelf registration statement filed with the SEC. For the three months ended March 31, 2012, the Company sold 5.1 million shares at an average sales price of $1.42 per share, resulting in $7.1 million in net proceeds (not including $0.8 million received in early 2012 for 0.7 million shares traded in late December 2011).