Net Income (Loss) per Share

6 Months Ended

Jun. 30, 2015

5. 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 six months ended June 30 (in thousands, except per share amounts):


	Three Months Ended June 30,					Six Months Ended June 30,
	2015		2014			2015		2014

Numerator:
Net income (loss) attributable to Vicor Corporation	$	805	$	(4,835	)	$	4,176	$	(10,213	)

Denominator:
Denominator for basic net income (loss) per share-weighted average shares(1)		38,750		38,542			38,719		38,541
Effect of dilutive securities:
Employee stock options(2)		543		—			502		—

Denominator for diluted net income (loss) per share – adjusted weighted-average shares and assumed conversions		39,293		38,542			39,221		38,541


Basic net income (loss) per share	$	0.02	$	(0.13	)	$	0.11	$	(0.26	)

Diluted net income (loss) per share	$	0.02	$	(0.13	)	$	0.11	$	(0.26	)

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

(2)

Options to purchase 110,928 and 86,179 shares of Common Stock for the three and six months ended June 30, 2015, respectively, were not included in the calculation of net income per share as the effect would have been antidilutive. Options to purchase 2,038,599 shares of Common Stock for the three and six months ended June 30, 2014 were not included in the calculation of net loss per share as the effect would have been antidilutive.