Net Income (Loss) Per Share

3 Months Ended

Sep. 30, 2018

Net Income Per Common Share Attributable to Alpha and Omega Semiconductor Limited

The following table presents the calculation of basic and diluted net income per share attributable to common shareholders:



	Three Months Ended September 30,
	2018		2017
	(in thousands, except per share data)
Numerator:
Net income attributable to Alpha and Omega Semiconductor Limited	$	2,416	$	4,800

Denominator:
Basic:
Weighted average number of common shares used to compute basic net income per share	23,844		24,021
Diluted:
Weighted average number of common shares used to compute basic net income per share	23,844		24,021
Effect of potentially dilutive securities:
Stock options, RSUs and ESPP shares	750		939
Weighted average number of common shares used to compute diluted net income per share	24,594		24,960
Net income per share attributable to Alpha and Omega Semiconductor Limited:
Basic	$	0.10	$	0.20
Diluted	$	0.10	$	0.19

The following potential dilutive securities were excluded from the computation of diluted net income per share as their effect would have been anti-dilutive:



	Three Months Ended September 30,
	2018	2017
	(in thousands)
Employee stock options and RSUs	405	172
ESPP	216	90
Total potential dilutive securities	621	262