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Net Income (Loss) Per Share (Tables)

12 Months Ended

Jun. 30, 2019

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:

	Year Ended June 30,
	2019				2018				2017
	(in thousands, except per share data)
Numerator:
Net income attributable to Alpha and Omega Semiconductor Limited	$	1,861			$	14,263			$	13,829
Denominator:
Basic:
Weighted average number of common shares used to compute basic net income per share	24,063				23,901				23,526
Diluted:
Weighted average number of common shares used to compute basic net income per share	24,063				23,901				23,526
Effect of potentially dilutive securities:
Stock options, RSUs and ESPP shares	635				943				1,300
Weighted average number of common shares used to compute diluted net income per share	24,698				24,844				24,826
Net income per share attributable to Alpha and Omega Semiconductor Limited:
Basic	$	0.08			$	0.60			$	0.59
Diluted	$	0.08			$	0.57			$	0.56

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:

	Year Ended June 30,
	2019			2018			2017
	(in thousands)
Employee stock options and RSUs	593			186			105
ESPP	512			182			19
Total potential dilutive securities	1,105			368			124

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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://fasb.org/us-gaap/role/ref/legacyRef
-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://fasb.org/us-gaap/role/ref/legacyRef
-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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