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7. Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2023
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
|  |  | March 31,
|  |  |  |  | 2023 |  | 2022
Basic weighted average shares outstanding |  |  |  |  | 29,596 |  |  | 29,933 |
Effect of potentially dilutive stock options, restricted stock and performance stock awards |  |  |  |  | 151 |  |  | — |
Diluted weighted average common shares outstanding |  |  |  |  | 29,747 |  |  | 29,933 |
Anti-dilutive shares |  |  |  |  | 94 |  |  | 550 |

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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 -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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