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7. Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2022
Earnings Per Share [Abstract] |
Schedule of weighted-average common shares outstanding used to calculate basic and diluted earnings per shares and the anti-dilutive shares | The weighted average number of common shares outstanding used to calculate basic and diluted earnings (loss) per share, and the anti-dilutive shares that are excluded from the diluted earnings (loss) per share calculation are as follows (in thousands):
| Three Months Ended |  | Nine Months Ended
| September 30, |  | September 30,
| 2022 |  | 2021 |  | 2022 |  | 2021
Basic weighted average shares outstanding | 29,733 |  |  | 29,814 |  |  | 29,819 |  |  | 29,800 |
Effect of potentially dilutive stock options, restricted stock and performance stock awards | — |  |  | 410 |  |  | — |  |  | 390 |
Diluted weighted average common shares outstanding | 29,733 |  |  | 30,224 |  |  | 29,819 |  |  | 30,190 |
Anti-dilutive shares | 541 |  |  | 32 |  |  | 541 |  |  | 18 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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