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The Company and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2022
The Company and Summary of Significant Accounting Policies |
Schedule of amounts recorded in accrued liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | December 31, | ​
​ | ​ | 2022 | ​ | 2021 | ​
Contract liabilities | ​ | $ | 338 | ​ | $ | 946 | ​
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,
​ |  | 2022 | ​ | 2021
Accumulated other comprehensive income: | ​ | ​ | ​ | ​ | ​ | ​
Unrealized loss on investments, net | ​ | $ | (303) | ​ | $ | (65)
Cumulative translation adjustment | ​ |  | (3,042) | ​ | ​ | 7,041
​ | ​ |  | (3,345) | ​ | ​ | 6,976
Less: Cumulative translation adjustment attributable to noncontrolling interests and redeemable noncontrolling interests | ​ | ​ | (227) | ​ | ​ | 674
Accumulated other comprehensive income (loss) attributable to AXT, Inc. | ​ | $ | (3,118) | ​ | $ | 6,302

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