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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2021
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | The following table sets forth the computation of the basic and diluted earnings per share (in thousands, except per share data):
| Three months ended June 30, |  | Six months ended June 30,
| 2020 |  | 2021 |  | 2020 |  | 2021
Numerator for basic and diluted earnings per share: |  |  |  |  |  |  |
Net income (loss) | $ | 6,397 |  |  | $ | (6,167) |  |  | $ | 2,200 |  |  | $ | 6,766 |
Less: Loss (earnings) allocated to unvested restricted stock | (18) |  |  | 8 |  |  | (8) |  |  | (13) |
Income (loss) attributable to common stockholders | $ | 6,379 |  |  | $ | (6,159) |  |  | $ | 2,192 |  |  | $ | 6,753 |
Denominator: |  |  |  |  |  |  |
Denominator for basic earnings per common share - weighted average shares outstanding | 17,860 |  |  | 17,967 |  |  | 17,833 |  |  | 17,966 |
Effect of dilutive securities: |  |  |  |  |  |  |
Stock options | 29 |  |  | 213 |  |  | 29 |  |  | 232 |
Performance awards | — |  |  | 331 |  |  | — |  |  | 166 |
Denominator for diluted earnings per common share - weighted average shares outstanding | 17,889 |  |  | 18,511 |  |  | 17,862 |  |  | 18,364 |
Basic earnings (loss) per common share: | $ | 0.36 |  |  | $ | (0.34) |  |  | $ | 0.12 |  |  | $ | 0.38 |
Diluted earnings (loss) per common share: | $ | 0.36 |  |  | $ | (0.33) |  |  | $ | 0.12 |  |  | $ | 0.37 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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