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(6) Earnings Per Share | 3 Months Ended
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Mar. 31, 2022
Earnings per share: |
(6) Earnings Per Share | (6) Earnings Per Share Earnings per share for the three-month periods ended March 31, 2022 and 2021 were calculated using the weighted average number of shares outstanding for the related period. The following table reconciles the number of shares used in the computations of basic and diluted earnings per share for the three-month periods ended March 31, 2022 and 2021:
Computation of earnings per share |  |  |  |  |
|  | Three Months Ended
|  | March 31,
|  | 2022 |  |  | 2021
|  | (In thousands)
Weighted average number of common shares outstanding during the period used to compute basic earnings per share |  | 21,221 |  |  | 22,741
Incremental common shares attributable to exercise of outstanding options and warrants |  | 6,976 |  |  | 2,226
Weighted average number of common shares used to compute diluted earnings per share |  | 28,197 |  |  | 24,967
If the anti-dilutive effects of common stock equivalents were considered, shares included in the diluted earnings per share calculation for the three-months ended March 31, 2022 and 2021 would have included an additional 558,000 and 7.5 million shares, respectively, attributable to the exercise of outstanding options and warrants.

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