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Net Income Per Share (Tables) | 9 Months Ended
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Sep. 30, 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 |  | Nine Months Ended |
|  | September 30, |  | September 30, |
|  | 2018 |  | 2017 |  | 2018 |  | 2017 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |
Net income attributable to AXT, Inc. |  | $ | 3,939 |  | $ | 4,419 |  | $ | 10,715 |  | $ | 7,014 |
Less: Preferred stock dividends |  |  | (44) |  |  | (44) |  |  | (132) |  |  | (132) |
Net income available to common stockholders |  | $ | 3,895 |  | $ | 4,375 |  | $ | 10,583 |  | $ | 6,882 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |
Denominator for basic net income per share - weighted-average common shares |  |  | 39,008 |  |  | 38,499 |  |  | 39,000 |  |  | 36,999 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock options |  |  | 1,207 |  |  | 1,416 |  |  | 1,196 |  |  | 1,283 |
Restricted stock awards |  |  | 116 |  |  | 180 |  |  | 124 |  |  | 187 |
Denominator for dilutive net income per common shares |  |  | 40,331 |  |  | 40,095 |  |  | 40,320 |  |  | 38,469 |
Net income attributable to AXT, Inc. per common share: |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.10 |  | $ | 0.11 |  | $ | 0.27 |  | $ | 0.19 |
Diluted |  | $ | 0.10 |  | $ | 0.11 |  | $ | 0.26 |  | $ | 0.18 |
Options excluded from diluted net income per share as the impact is anti-dilutive |  |  | 186 |  |  | 68 |  |  | 186 |  |  | 573 |
Restricted stock excluded from diluted net income per share as the impact is anti-dilutive |  |  | 34 |  |  | 34 |  |  | 239 |  |  | 11 |

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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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