EDGR: Common stock, $0.01 par value, 75,000,000 shares authorized at December 31, 2010 and June 30, 2011, 29,441,339 shares issued and 28,482,921 shares outstanding at December 31, 2010 and 35,498,496 shares issued and 34,540,078 shares outstanding at June 30, 2011