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Net Income Per Share (Tables) | 3 Months Ended
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Mar. 31, 2019
Net Income Per Share |
Reconciliation of numerators and denominators of basic and diluted net income per share | A reconciliation of the numerators and denominators of the basic and diluted net income per share calculations is as follows (in thousands, except per share data):
|  | Three Months Ended |
|  | March 31, |
|  | 2019 |  | 2018 |
Numerator: |  |  |  |  |  |  |
Net income (loss) attributable to AXT, Inc. |  | $ | (1,104) |  | $ | 2,875 |
Less: Preferred stock dividends |  |  | (44) |  |  | (44) |
Net income (loss) available to common stockholders |  | $ | (1,148) |  | $ | 2,831 |
Denominator: |  |  |  |  |  |  |
Denominator for basic net income (loss) per share - weighted-average common shares |  |  | 39,352 |  |  | 38,941 |
Effect of dilutive securities: |  |  |  |  |  |  |
Common stock options |  |  | — |  |  | 1,289 |
Restricted stock awards |  |  | — |  |  | 134 |
Denominator for dilutive net income (loss) per common shares |  |  | 39,352 |  |  | 40,364 |
Net income (loss) attributable to AXT, Inc. per common share: |  |  |  |  |  |  |
Basic |  | $ | (0.03) |  | $ | 0.07 |
Diluted |  | $ | (0.03) |  | $ | 0.07 |
Options excluded from diluted net income (loss) per share as the impact is anti-dilutive |  |  | 2,654 |  |  | 184 |
Restricted stock excluded from diluted net income (loss) per share as the impact is anti-dilutive |  |  | 644 |  |  | 240 |

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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 + Details
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