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Stockholders' Equity (Tables) | 6 Months Ended
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Jun. 30, 2018
Stockholders' Equity |
Consolidated statement of changes in equity | Condensed Consolidated Statement of Changes in Stockholders’ Equity (in thousands)
|  |  |  |  |  |  |  |  |  | Accumulated |  |  |  |  |  |  |
|  |  |  |  |  |  |  |  |  |  |  |  |  | Other |  | AXT, Inc |  |  |  | Total |
|  | Preferred |  | Common |  | Additional |  | Accumulated |  | Comprehensive |  | Stockholders’ |  | Noncontrolling |  | Stockholders’ |
|  | Stock |  | Stock |  | Paid-In Capital |  | Deficit |  | Income |  | Equity |  | Interests |  | Equity |
Balance as of December 31, 2017 |  | $ | 3,532 |  | $ | 39 |  | $ | 231,679 |  | $ | (54,837) |  | $ | 3,407 |  | $ | 183,820 |  | $ | 4,497 |  | $ | 188,317 |
Common stock options exercised |  |  | — |  |  | — |  |  | 178 |  |  | — |  |  | — |  |  | 178 |  |  | — |  |  | 178 |
Purchase of subsidiary shares from noncontrolling interest |  |  |  |  |  |  |  |  | 196 |  |  |  |  |  |  |  |  | 196 |  |  | (1,551) |  |  | (1,355) |
Stock-based compensation |  |  | — |  |  | — |  |  | 931 |  |  | — |  |  | — |  |  | 931 |  |  | — |  |  | 931 |
Net income |  |  | — |  |  | — |  |  | — |  |  | 6,776 |  |  | — |  |  | 6,776 |  |  | 965 |  |  | 7,741 |
Other comprehensive loss |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (2,235) |  |  | (2,235) |  |  | (44) |  |  | (2,279) |
Balance as of June 30, 2018 |  | $ | 3,532 |  | $ | 39 |  | $ | 232,984 |  | $ | (48,061) |  | $ | 1,172 |  | $ | 189,666 |  | $ | 3,867 |  | $ | 193,533 |

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- Definition Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21463-112644 + Details
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- References No definition available. + Details
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