Significant Accounting Policies (Tables)

12 Months Ended

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

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