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Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2023
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):

 

 

 

2023

 

 

2022

 

 

2021

 

Numerator:

 

 

 

 

 

 

 

 

 

Net income attributable to Vicor Corporation

 

$

53,595

 

 

$

25,446

 

 

$

56,625

 

Denominator:

 

 

 

 

 

 

 

 

 

Denominator for basic net income per share-
   weighted average shares (1)

 

 

44,320

 

 

 

44,005

 

 

 

43,651

 

Effect of dilutive securities:

 

 

 

 

 

 

 

 

 

Employee stock options (2)

 

 

684

 

 

 

889

 

 

 

1,315

 

Denominator for diluted net income per share-
   adjusted weighted-average shares and assumed conversions (3)

 

 

45,004

 

 

 

44,894

 

 

 

44,966

 

Basic net income per share

 

$

1.21

 

 

$

0.58

 

 

$

1.30

 

Diluted net income per share

 

$

1.19

 

 

$

0.57

 

 

$

1.26

 

 

 

(1)
Denominator represents weighted average number of Common Shares and Class B Common Shares outstanding.
(2)
Options to purchase 1,557,927, 879,228 and 60,736 shares of Common Stock in 2023, 2022, and 2021, 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 options.