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Net Income (Loss) Per Share (Tables) | 3 Months Ended
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Mar. 31, 2021
Net Income (Loss) 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 (loss) per share calculations is as follows (in thousands, except per share data):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | Three Months Ended | ​
​ | ​ | ​ | March 31, | ​
​ |  |  | 2021 |  | 2020 |
Numerator: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net income (loss) attributable to AXT, Inc. | ​ | ​ | $ | 3,425 | ​ | $ | (178) | ​
Less: Preferred stock dividends | ​ | ​ |  | (44) | ​ |  | (44) | ​
Net income (loss) available to common stockholders | ​ | ​ | $ | 3,381 | ​ | $ | (222) | ​
Denominator: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Denominator for basic net income (loss) per share - weighted-average common shares | ​ | ​ |  | 41,004 | ​ |  | 39,812 | ​
Effect of dilutive securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Common stock options | ​ | ​ |  | 1,082 | ​ |  | — | ​
Restricted stock awards | ​ | ​ |  | 640 | ​ |  | — | ​
Denominator for dilutive net income (loss) per common shares | ​ | ​ |  | 42,726 | ​ |  | 39,812 | ​
Net income (loss) attributable to AXT, Inc. per common share: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Basic | ​ | ​ | $ | 0.08 | ​ | $ | (0.01) | ​
Diluted | ​ | ​ | $ | 0.08 | ​ | $ | (0.01) | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Options excluded from diluted net income (loss) per share as the impact is anti-dilutive | ​ | ​ |  | 21 | ​ |  | 2,763 | ​
Restricted stock excluded from diluted net income (loss) per share as the impact is anti-dilutive | ​ | ​ |  | 57 | ​ |  | 941 | ​

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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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