Net Earnings (Loss) Per Share

6 Months Ended

Jun. 30, 2011

Net Earnings (Loss) Per Share

Net Earnings (Loss) Per Share

7. Net Income (Loss) Per Share

Basic net income (loss) per share is computed by dividing net income (loss) attributable to common stockholders for the period by the weighted average number of common shares outstanding for the period.  Diluted net income (loss) per share is computed by dividing the net income (loss) attributable to common stockholders by the weighted average number of common shares and dilutive common stock equivalents outstanding for the period.  Our common stock equivalents include all common stock issuable upon conversion of preferred stock and the exercise of outstanding options and warrants.  The aggregate number of common stock equivalents excluded from the diluted income (loss) per share calculation for the three month periods ended June 30, 2011 and 2010 are 3,977,840 and 1,058,882, respectively, as they are antidilutive. In addition, for the six month periods ended June 30, 2011 and 2010 3,900,902 and 1,220,678, respectively, common stock equivalents are not included in the diluted income (loss) per share as they are antidilutive.