Net Income (Loss) per Share (Tables)

9 Months Ended

Sep. 30, 2017

Computation Of Basic And Diluted Net Income (Loss) Per Share

The following table sets forth the computation of basic and diluted net income (loss) per share for the three and nine months ended September 30 (in thousands, except per share amounts):


	Three Months Ended					Nine Months Ended
	September 30,					September 30,
	2017			2016		2017			2016
Numerator:
Net income (loss) attributable to Vicor Corporation	$	(11	)	$	2,336	$	(1,444	)	$	(3,559	)

Denominator:
Denominator for basic net income (loss) per share-weighted average shares (1)		39,288			38,837		39,177			38,811
Effect of dilutive securities:
Employee stock options (2)		—			347		—			—

Denominator for diluted net income (loss) per share – adjusted weighted-average shares and assumed conversions		39,288			39,184		39,177			38,811

Basic net income (loss) per share	$	(0.00	)	$	0.06	$	(0.04	)	$	(0.09	)

Diluted net income (loss) per share	$	(0.00	)	$	0.06	$	(0.04	)	$	(0.09	)

(1)	Denominator represents weighted average number of shares of Common Stock and Class B Common Stock outstanding.

(2)

Options to purchase 1,452,808 shares of Common Stock for the three and nine months ended September 30, 2017 were not included in the calculation of net loss per share as the effect would have been antidilutive. Options to purchase 449,464 and 1,845,289 shares of Common Stock for the three and nine months ended September 30, 2016, respectively, were not included in the calculation of net income (loss) per share as the effect would have been antidilutive.