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Net Income (Loss) Per Share (Tables)

9 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

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

	Three Months Ended March 31,								Nine Months Ended March 31,
	2018				2017				2018				2017
	(in thousands, except per share data)
Numerator:
Net income attributable to Alpha and Omega Semiconductor Limited	$	1,651			$	3,556			$	13,242			$	9,710
Denominator:
Basic:
Weighted average number of common shares used to compute basic net income per share	23,795				23,675				23,914				23,396
Diluted:
Weighted average number of common shares used to compute basic net income per share	23,795				23,675				23,914				23,396
Effect of potentially dilutive securities:
Stock options, RSUs and ESPP shares	960				1,276				1,002				1,385
Weighted average number of common shares used to compute diluted net income per share	24,755				24,951				24,916				24,781
Net income per share attributable to Alpha and Omega Semiconductor Limited:
Basic	$	0.07			$	0.15			$	0.55			$	0.42
Diluted	$	0.07			$	0.14			$	0.53			$	0.39

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

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 March 31,						Nine Months Ended March 31,
	2018			2017			2018			2017
	(in thousands)						(in thousands)
Employee stock options and RSUs	165			3			167			83
ESPP	381			20			157			12
Total potential dilutive securities	546			23			324			95

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- References

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- Definition

Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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