Common Stock
9 Months Ended
Sep. 30, 2012
Common Stock [Abstract]  
Common Stock

7. Common Stock

On May 1, 2012, the Company completed a public offering of 4,500,000 shares of its common stock at a public offering price of $9.00 per share. Net proceeds to the Company from the public offering were approximately $37.7 million after deducting underwriting discounts and commissions and offering expenses.