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v3.25.1

Stockholders' Equity (Tables) | 3 Months Ended
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Mar. 31, 2025
Stockholders' Equity |
Consolidated statements of stockholders' equity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  |  |  |  |  |  |  |  |  | Accumulated | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Other | ​ | AXT, Inc. |  |  |  | Total | ​
​ |  | Preferred |  | Common |  | Additional |  | Accumulated |  | Comprehensive | ​ | Stockholders’ |  | Noncontrolling |  | Stockholders’ | ​
​ |  | Stock |  | Stock |  | Paid-In Capital |  | Deficit |  | Income (Loss) |  | Equity |  | Interests |  | Equity |
Balance as of December 31, 2024 |  | $ | 3,532 |  | $ | 45 |  | $ | 241,514 |  | $ | (43,664) |  | $ | (8,657) | ​ | $ | 192,770 |  | $ | 23,561 |  | $ | 216,331 | ​
Noncontrolling interest portion of Tongmei stock-based compensation | ​ | ​ | — | ​ | ​ | 1 | ​ | ​ | (13) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (12) | ​ | ​ | 6 | ​ | ​ | (6) | ​
Stock-based compensation | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 563 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 563 | ​ | ​ | — | ​ | ​ | 563 | ​
Tongmei stock-based compensation | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 83 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 83 | ​ | ​ | — | ​ | ​ | 83 | ​
Net loss | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (8,798) | ​ | ​ | — | ​ | ​ | (8,798) | ​ | ​ | (610) | ​ | ​ | (9,408) | ​
Other comprehensive loss | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 431 | ​ | ​ | 431 | ​ | ​ | 53 | ​ | ​ | 484 | ​
Balance as of March 31, 2025 | ​ | $ | 3,532 | ​ | $ | 46 | ​ | $ | 242,147 | ​ | $ | (52,462) | ​ | $ | (8,226) | ​ | $ | 185,037 | ​ | $ | 23,010 | ​ | $ | 208,047 | ​
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  |  |  |  |  |  |  |  |  | Accumulated | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Other | ​ | AXT, Inc. |  |  |  | Total
​ |  | Preferred |  | Common |  | Additional |  | Accumulated |  | Comprehensive | ​ | Stockholders’ |  | Noncontrolling |  | Stockholders’
​ |  | Stock |  | Stock |  | Paid-In Capital |  | Deficit |  | Income (Loss) |  | Equity |  | Interests |  | Equity
Balance as of December 31, 2023 |  | $ | 3,532 |  | $ | 44 |  | $ | 238,452 |  | $ | (32,040) |  | $ | (5,999) | ​ | $ | 203,989 |  | $ | 23,494 |  | $ | 227,483
Common stock options exercised | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 20 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 20 | ​ | ​ | — | ​ | ​ | 20
Noncontrolling interest portion of Tongmei stock-based compensation | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (24) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (24) | ​ | ​ | 13 | ​ | ​ | (11)
Stock-based compensation | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 614 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 614 | ​ | ​ | — | ​ | ​ | 614
Tongmei stock-based compensation | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 195 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 195 | ​ | ​ | — | ​ | ​ | 195
Net income (loss) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (2,083) | ​ | ​ | — | ​ | ​ | (2,083) | ​ | ​ | 106 | ​ | ​ | (1,977)
Other comprehensive income | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (1,627) | ​ | ​ | (1,627) | ​ | ​ | (187) | ​ | ​ | (1,814)
Balance as of March 31, 2024 | ​ | $ | 3,532 | ​ | $ | 44 | ​ | $ | 239,257 | ​ | $ | (34,123) | ​ | $ | (7,626) | ​ | $ | 201,084 | ​ | $ | 23,426 | ​ | $ | 224,510

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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://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-2 + Details
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