Basic loss per share is computed by dividing net loss by the weighted average number of common shares outstanding during the period. Diluted loss per share assumes the issuance of potentially dilutive shares of common stock during the period. The following table reconciles the numerators and denominators of the basic and diluted loss per share computations:

For the three and six months ended June 30, 2012, the following stock awards were not included in the calculation because they would have an anti-dilutive effect: 1,385,000 in stock options and 731,416 in unvested restricted shares. For the three and six months ended June 30, 2011, the following stock awards were not included in the calculation because they would have an anti-dilutive effect: 130,479 in stock options and 2,138,750 in unvested restricted shares.