Common Stock

9 Months Ended

Jan. 31, 2013

Common Stock

10. Common Stock

On July 23, 2012, the Company completed a follow-on offering in which 9,775,000 shares of its common stock were sold, of which 3,625,000 shares were offered by the Company and 6,150,000 shares were offered by selling stockholders, at a price of $15.40 per share. The gross proceeds raised by the Company from the sale of its common stock in the offering was approximately $55.8 million, resulting in net proceeds to the Company from the sale of its common stock of approximately $51.9 million, after deducting underwriting discounts and commissions of approximately $2.7 million and other offering expenses of approximately $1.2 million.