During the period from February 1, 2011 through the closing date of the Company's IPO, the Company accrued dividends of $3.6 million on its redeemable convertible preferred stock. Upon the closing of the IPO on June 20, 2011, all outstanding redeemable convertible preferred stock was converted into shares of common stock at the contractual conversion ratios per the relevant redeemable preferred stock purchase agreements. As of the Company's IPO, there will be no further convertible preferred share dividends as all outstanding convertible preferred stock has been converted. On the closing date of the IPO the Company paid $30.6 million in dividends to the holders of redeemable convertible preferred stock.