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Net Income Per Share (Tables) | 3 Months Ended
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Mar. 31, 2018
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,
|  | 2018 |  | 2017
Numerator: |  |  |  |  |  |
Net income attributable to AXT, Inc. |  | $ | 2,875 |  | $ | 665
Less: Preferred stock dividends |  |  | (44) |  |  | (44)
Net income available to common stockholders |  | $ | 2,831 |  | $ | 621
Denominator: |  |  |  |  |  |
Denominator for basic net income per share - weighted-average common shares |  |  | 38,941 |  |  | 34,210
Effect of dilutive securities: |  |  |  |  |  |
Common stock options |  |  | 1,289 |  |  | 1,220
Restricted stock awards |  |  | 134 |  |  | 194
Denominator for dilutive net income per common shares |  |  | 40,364 |  |  | 35,624
Net income attributable to AXT, Inc. per common share: |  |  |  |  |  |
Basic |  | $ | 0.07 |  | $ | 0.02
Diluted |  | $ | 0.07 |  | $ | 0.02
Options excluded from diluted net income per share as the impact is anti-dilutive |  |  | 184 |  |  | 639
Restricted stock excluded from diluted net income per share as the impact is anti-dilutive |  |  | 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://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 + Details
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