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INCOME (LOSS) PER COMMON SHARE (Tables) | 3 Months Ended
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Mar. 31, 2021
Earnings Per Share [Abstract] |
Calculations of Basic and Diluted Income (Loss) per Common Share | The calculations of basic and diluted income (loss) per common share for the three months ended March 31, 2021 and 2020 are as follows:
| Three Months Ended March 31, |  |
| 2021 |  | 2020 |  |  |  |
| (in thousands, except per share amounts)
Net income (loss) – Basic and Diluted | $ | 3,067 |  |  | $ | (28,164) |  |  |  |  |
Weighted-average shares outstanding – Basic | 21,086 |  |  | 20,745 |  |  |  |  |
Effect of dilutive securities: |  |  |  |  |  |  |
Stock options and other stock awards | 685 |  |  | — |  |  |  |  |
Weighted-average shares outstanding – Diluted | 21,771 |  |  | $ | 20,745 |  |  |  |  |
Basic income (loss) per common share | $ | 0.15 |  |  | $ | (1.36) |  |  |  |  |
Diluted income (loss) per common share | $ | 0.14 |  |  | $ | (1.36) |  |  |  |  |
Antidilutive Securities(1) | 421 |  | 2,158 |  |  |  |
(1) Stock options and other stock awards that have been excluded from the denominator as their inclusion would have been anti-dilutive.

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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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