earnings (loss) per share is computed using the two-class method, which is an earnings allocation formula that determines earnings (loss) per share for common stock and any participating securities according to dividend and participating rights in undistributed earnings. The Company's restricted stock awards ("RSA's") contain non-forfeitable rights to dividends or dividend equivalents and are deemed to be participating securities. The Company did not declare any cash dividends during the years ended December 31, 2016, 2015 or 2014.
Under the two-class method, net income (loss) for the period is allocated between common stockholders and the holders of the participating securities based on the weighted-average of common shares outstanding during the period, excluding unvested RSA's ("common shares"), and the weighted-average number of unvested RSA's outstanding during the period, respectively. The allocated, undistributed income (loss) for the period is then divided by the weighted-average number of common shares and unvested RSA's outstanding during the period to arrive at basic earnings (loss) per common share and participating security for the period, respectively. Because the Company did not declare any dividends during the periods presented, and because the unvested RSA's possess substantially the same rights to undistributed earnings as common shares outstanding, there is no difference between the calculated basic earnings (loss) per share for common shares and participating securities. Accordingly, and pursuant to accounting principles generally accepted in the United States ("U.S. GAAP"), the Company has elected not to separately present basic or diluted earnings (loss) per share attributable to participating securities in the Consolidated Statements of Operations.
Diluted earnings (loss) per share is computed in a manner consistent with that of basic earnings (loss) per shares, while considering other potentially dilutive securities. Potentially dilutive securities consist of outstanding options to purchase common stock and contingent performance stock units ("PSU's") (collectively, "Potential dilutive shares"), and their dilutive effect, if any, is computed using the treasury stock method. Potential dilutive shares are excluded from diluted earnings (loss) per share when their effect is anti-dilutive. When there is a net loss for a period, all Potential dilutive shares are anti-dilutive and are excluded from the calculation of diluted loss per share for that period.
Each PSU represents a contingent right to receive shares of the Company’s common stock, and the number of shares may range from zero to two times the number of PSU's granted on the award date depending upon the price performance of the Company's common stock as measured against a general index and a specific peer group index over requisite performance periods. The number of Potential dilutive shares related to PSU's is based on the number of shares of the Company's common stock, if any, that would be issuable at the end of the respective reporting period, assuming that the end of the reporting period is the end of the contingency period applicable to such PSU's. See Note 13 for additional information related to PSU's.
Potential dilutive shares were excluded in the diluted loss per share calculation for the year ended December 31, 2015, as their inclusion was anti-dilutive due to the Company’s net loss for that year.
The above information was disclosed in a filing to the SEC. To see the filing, click here.
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