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Net Income Per Common Share Attributable to Alpha and Omega Semiconductor Limited | 9 Months Ended
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Mar. 31, 2022
Earnings Per Share [Abstract] |
Net Income (Loss) Per Share | 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 March 31, |  | Nine Months Ended March 31,
| 2022 |  | 2021 |  | 2022 |  | 2021
| (in thousands, except per share data)
Numerator: |  |  |  |  |  |  |
Net income attributable to Alpha and Omega Semiconductor Limited | $ | 31,650 |  |  | $ | 16,100 |  |  | $ | 438,072 |  |  | $ | 38,577 |
Denominator: |  |  |  |  |  |  |
Basic: |  |  |  |  |  |  |
Weighted average number of common shares used to compute basic net income per share | 26,829 |  |  | 25,882 |  |  | 26,596 |  |  | 25,631 |
Diluted: |  |  |  |  |  |  |
Weighted average number of common shares used to compute basic net income per share | 26,829 |  |  | 25,882 |  |  | 26,596 |  |  | 25,631 |
Effect of potentially dilutive securities: |  |  |  |  |  |  |
Stock options, RSUs and ESPP shares | 1,594 |  |  | 1,834 |  |  | 1,520 |  |  | 1,497 |
Weighted average number of common shares used to compute diluted net income per share | 28,423 |  |  | 27,716 |  |  | 28,116 |  |  | 27,128 |
Net income per share attributable to Alpha and Omega Semiconductor Limited: |  |  |  |  |  |  |
Basic | $ | 1.18 |  |  | $ | 0.62 |  |  | $ | 16.47 |  |  | $ | 1.51 |
Diluted | $ | 1.11 |  |  | $ | 0.58 |  |  | $ | 15.58 |  |  | $ | 1.42 |
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,
| 2022 |  | 2021 |  | 2022 |  | 2021
| (in thousands) |  | (in thousands)
Employee stock options and RSUs | 2 |  |  | 107 |  |  | 171 |  |  | 80 |
ESPP | 19 |  |  | — |  |  | 27 |  |  | 89 |
Total potential dilutive securities | 21 |  |  | 107 |  |  | 198 |  |  | 169 |

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