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Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2022
Revenue, Major Customer [Line Items] |
Computation of Basic and Diluted Net Income Per Share | The following table sets forth the computation of basic and diluted net income per share for the years ended December 31 (in thousands, except per share amounts):
|  | 2022 |  |  | 2021 |  |  | 2020 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to Vicor Corporation |  | $ | 25,446 |  |  | $ | 56,625 |  |  | $ | 17,910 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Denominator for basic net income per share - weighted average shares (1) |  |  | 44,005 |  |  |  | 43,651 |  |  |  | 42,186 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |
Employee stock options (2) |  |  | 889 |  |  |  | 1,315 |  |  |  | 1,683 |
Denominator for diluted net income per share - adjusted weighted-average shares and assumed conversions (3) |  |  | 44,894 |  |  |  | 44,966 |  |  |  | 43,869 |
Basic net income per share |  | $ | 0.58 |  |  | $ | 1.30 |  |  | $ | 0.42 |
Diluted net income per share |  | $ | 0.57 |  |  | $ | 1.26 |  |  | $ | 0.41 |
(1) | Denominator represents weighted average number of Common Shares and Class B Common Shares outstanding.
(2) | Options to purchase 879,228, 60,736 and 181,196 shares of Common Stock in 2022, 2021, and 2020, respectively, were not included in the calculation of net income per share as the effect would have been antidilutive.
| (3) Denominator represents weighted average number of Common Shares and Class B Common Shares outstanding for the year, adjusted to include the dilutive effect, if any, of outstanding op tio ns.

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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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 https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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