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The Company and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2023
The Company and Summary of Significant Accounting Policies |
Schedule of amounts recorded in accrued liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | December 31, | ​
​ | ​ | 2023 | ​ | 2022 | ​
Contract liabilities | ​ | $ | 305 | ​ | $ | 338 | ​
During the three and twelve months ended December 31, 2023, the Company recognized $9,000 and $287,000, respectively, of revenue that was included in the contract balances as of December 31, 2022. During the three and twelve months ended December 31, 2022, the Company recognized $22,000 and $760,000 of revenue that was included in the contract balances as of December 31, 2021. | ​ | ​ | ​ | ​ | ​ | ​ | ​
Schedule of accumulated other comprehensive income (loss) |
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | As of December 31,
​ |  | 2023 | ​ | 2022
Accumulated other comprehensive loss: | ​ | ​ | ​ | ​ | ​ | ​
Unrealized loss on investments, net | ​ | $ | (20) | ​ | $ | (303)
Cumulative translation adjustment | ​ |  | (6,530) | ​ | ​ | (3,042)
​ | ​ |  | (6,550) | ​ | ​ | (3,345)
Less: Cumulative translation adjustment attributable to noncontrolling interests and redeemable noncontrolling interests | ​ | ​ | (551) | ​ | ​ | (227)
Accumulated other comprehensive loss attributable to AXT, Inc. | ​ | $ | (5,999) | ​ | $ | (3,118)

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