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The Company and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2024
The Company and Summary of Significant Accounting Policies |
Schedule of amounts recorded in accrued liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | December 31, | ​
​ | ​ | 2024 | ​ | 2023 | ​
Contract liabilities | ​ | $ | 1,590 | ​ | $ | 305 | ​
During the three and twelve months ended December 31, 2024, the Company recognized $0 and $156,000, respectively, of revenue that was included in the contract balances as of December 31, 2023. During the three and twelve months ended December 31, 2023, the Company recognized $9,000 and $278,000, respectively, of revenue that was included in the contract balances as of December 31, 2022. | ​ | ​ | ​ | ​ | ​ | ​ | ​
Schedule of accumulated other comprehensive income (loss) | The balance of accumulated other comprehensive income (loss) is as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of December 31,
​ |  | 2024 | ​ | 2023
Accumulated other comprehensive loss: | ​ | ​ | ​ | ​ | ​ | ​
Unrealized loss on investments, net | ​ | $ | — | ​ | $ | (20)
Cumulative translation adjustment | ​ |  | (9,514) | ​ | ​ | (6,530)
​ | ​ |  | (9,514) | ​ | ​ | (6,550)
Less: Cumulative translation adjustment attributable to noncontrolling interests and redeemable noncontrolling interests | ​ | ​ | (857) | ​ | ​ | (551)
Accumulated other comprehensive loss attributable to AXT, Inc. | ​ | $ | (8,657) | ​ | $ | (5,999)

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-14A Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481674/830-30-50-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481694/830-30-45-20 + Details
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