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Note 1 - Basis of Presentation | 9 Months Ended
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Sep. 30, 2025
Notes to Financial Statements |
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] | Note 1. Basis of Presentation The accompanying condensed consolidated financial statements of AXT, Inc., a Delaware corporation (“AXT,” the “Company,” “we,” “us,” and “our” refer to AXT, Inc. and all of its consolidated subsidiaries) are unaudited, and have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, this interim quarterly financial report does not include all disclosures required by U.S. GAAP for complete consolidated financial statements. In the opinion of our management, the unaudited condensed consolidated financial statements reflect all adjustments, consisting only of normal recurring adjustments, considered necessary to present fairly the financial position, results of operations and cash flows of the Company for all periods presented. Our management has made a number of estimates and assumptions relating to the reporting of assets and liabilities and the disclosure of contingent assets and liabilities to prepare these condensed consolidated financial statements in conformity with U.S. GAAP. Due to the COVID-19 pandemic, there has been uncertainty and disruption in the global economy and financial markets. These estimates and assumptions may change as new events occur and additional information is obtained. Actual results could differ materially from those estimates. The results of operations for the three and nine months ended September 30, 2025 are not necessarily indicative of the results to be expected in the future or for the full fiscal year. It is recommended that these condensed consolidated financial statements be read in conjunction with our audited consolidated financial statements and the notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2024 filed with the Securities and Exchange Commission (the “SEC”) on March 14, 2025. The condensed consolidated financial statements include the accounts of AXT and our consolidated subsidiaries, Beijing Tongmei Xtal Technology Co., Ltd. (“Tongmei”), AXT-Tongmei, Inc. (“AXT-Tongmei”), Baoding Tongmei Xtal Technology Co., Ltd. (“Baoding Tongmei”), ChaoYang Tongmei Xtal Technology Co., Ltd. (“ChaoYang Tongmei”), ChaoYang LiMei Semiconductor Technology Co., Ltd. (“ChaoYang LiMei”), ChaoYang XinMei High Purity Semiconductor Materials Co., Ltd. (“ChaoYang XinMei”), Nanjing JinMei Gallium Co., Ltd. (“JinMei”), ChaoYang JinMei Gallium Ltd. (“ChaoYang JinMei”), ChaoYang ShuoMei High Purity Semiconductor Materials Co., Ltd. (“ChaoYang ShuoMei”), MaAnShan JinMei Gallium Ltd., (“MaAnShan JinMei”) and Beijing BoYu Semiconductor Vessel Craftwork Technology Co., Ltd. (“BoYu”). All significant inter‑company accounts and transactions have been eliminated. Investments in business entities in which we do not have controlling interests, but have the ability to exercise significant influence over operating and financial policies (generally 20-50% ownership), are accounted for by the equity method. As of September 30, 2025 and December 31, 2024, we have three companies accounted for by the equity method. In May 2023, we reduced our ownership in Emeishan Jia Mei High Purity Metals Co., Ltd. (“Jia Mei”) from 25% to 10% by selling a portion of our Jia Mei shares to a third party for approximately $827,000. As a result of our decreased ownership and the fact that we do not have the ability to exercise significant influence over Jia Mei’s operations, as of May 2023, we no longer reported Jia Mei as an equity investment in our condensed consolidated balance sheets. Our Jia Mei investment was re-measured to fair value at the time of sale. Any future changes to the fair value are recognized through net income (“fair value method”). In August 2025, our ownership interest in Jia Mei was further diluted to 7.14% following additional investments by new investors. For the majority-owned subsidiaries that we consolidate, we reflect the portion we do not own as either noncontrolling interests in stockholder’s equity or as redeemable noncontrolling interests in temporary equity on our condensed consolidated balance sheets and in our condensed consolidated statements of operations. When warranted by favorable market conditions, we intend to construct facilities at the ChaoYang LiMei location to provide us with additional production capacity. For the three and nine months ended September 30, 2025, expenses associated with ChaoYang LiMei had a de minimis impact on our condensed consolidated financial statements. In February 2021, Tongmei signed a joint venture agreement with certain investors to fund a new company, ChaoYang XinMei. The agreement called for a total investment of approximately $3.0 million, of which Tongmei would fund approximately $1.8 million for a 58.5 percent ownership of ChaoYang XinMei. In February 2021, Tongmei and the investors completed the initial funding of approximately $1.5 million. Tongmei’s portion of the investment was approximately $0.9 million. In May 2021, Tongmei and the investors completed the funding of the remaining balance of approximately $1.5 million. Tongmei’s portion of the final investment was approximately $0.9 million, for a total investment of approximately $1.8 million for a 58.5 percent ownership of ChaoYang XinMei. In September 2021 and October 2021, ChaoYang XinMei received funding from a minority investor of $0.9 million and $1.0 million, respectively. In December 2021 and January 2022, ChaoYang XinMei received funding from Tongmei of $1.4 million and $1.4 million, respectively. In January 2022, the China local government certified this additional funding in ChaoYang XinMei as an equity investment. In April 2022, Tongmei entered into a capital increase agreement (the “Capital Increase Agreement”) with minority investors to further invest approximately $4.5 million in ChaoYang XinMei. Tongmei’s portion of the investment was approximately $2.6 million, of which $1.1 million was invested in April 2022 and $0.8 million was invested in May 2022. The minority investors’ portion of the investment was approximately $1.9 million, of which $0.7 million was invested in April 2022 and $0.6 million was invested in May 2022. As a result, noncontrolling interests increased $1.4 million and redeemable noncontrolling interests increased $0.1 million. In July 2022, Tongmei and the minority investors further invested $0.8 million and $0.6 million in ChaoYang XinMei, respectively. This completed the investment obligations under the Capital Increase Agreement. As a result, noncontrolling interests increased $610,000 and redeemable noncontrolling interests increased $57,000. Tongmei’s ownership remained at 58.5% after these equity investments. In April 2022, ChaoYang JinMei signed a joint venture agreement with certain investors to fund a new company, ChaoYang ShuoMei, our consolidated subsidiary (the “ChaoYang ShuoMei Joint Venture Agreement”). The ChaoYang ShuoMei Joint Venture Agreement called for a total investment of approximately $4.4 million, of which ChaoYang JinMei would fund approximately $3.3 million for a 75 percent ownership of ChaoYang ShuoMei. In July and August 2022, ChaoYang JinMei completed the initial funding of $1.0 million in ChaoYang ShuoMei. In August 2022, the investor invested $334,000 in ChaoYang ShuoMei. As a result, noncontrolling interests increased $406,000 and redeemable noncontrolling interests increased $73,000. In January 2023, ChaoYang ShuoMei received $0.5 million in funding from ChaoYang JinMei and $0.2 million in funding from one of the minority investors. As a result, noncontrolling interests increased $0.2 million and redeemable noncontrolling interests increased $36,000. In May 2023, ChaoYang ShuoMei received $1.0 million in funding from ChaoYang JinMei and $0.3 million in funding from one of the minority investors. As a result, noncontrolling interests increased $0.4 million and redeemable noncontrolling interests increased $75,000. In August 2023, ChaoYang ShuoMei received $0.6 million in funding from ChaoYang JinMei and $0.2 million in funding from one of the minority investors. As a result, noncontrolling interests increased $0.2 million and redeemable noncontrolling interests increased $44,000. ChaoYang JinMei has completed its investment obligations under the ChaoYang ShuoMei Joint Venture Agreement. ChaoYang JinMei’s ownership of ChaoYang ShuoMei remained at 75% after these equity investments. In April 2022, Tongmei signed a joint venture agreement with certain investors to fund a new company, ChaoYang KaiMei Quartz Co., Ltd. (“ChaoYang KaiMei”) (the “ChaoYang KaiMei Joint Venture Agreement”), which called for a total investment of approximately $7.6 million, of which Tongmei would fund approximately $3.0 million for a 40 percent ownership of ChaoYang KaiMei. In July 2022, Tongmei and the investors completed the initial funding of approximately $2.2 million. Tongmei’s portion of the investment was approximately $0.9 million. In January 2023, Tongmei made an investment of $0.9 million to ChaoYang KaiMei. In each of July 2023 and August 2023, Tongmei made an investment of approximately $0.6 million in ChaoYang KaiMei. In September 2023, Tongmei entered into another joint venture agreement with the same group of investors. This new agreement called for additional investment of approximately $5.6 million, with Tongmei committing to fund approximately $2.3 million. In December 2023, Tongmei made its initial additional investment of approximately $0.6 million in ChaoYang KaiMei, followed by additional investments of approximately $0.3 million each in June and July 2024, and in March, April and May 2025. Tongmei’s ownership of ChaoYang KaiMei remained at 40% after these equity investments. All activities for MaAnShan JinMei ceased during the first half of 2022 and the subsidiary was subsequently dissolved in May 2022. The dissolution of MaAnShan JinMei had a de minimis impact on the condensed consolidated results. During the quarter ended December 31, 2020, Tongmei entered into two sets of definitive transaction documents, each consisting of a capital increase agreement along with certain supplemental agreements in substantially the same form (collectively, the “Capital Investment Agreements”), with several private equity investors in China. In preparation for Tongmei’s application for a listing of shares in an initial public offering (the “IPO”) on the Shanghai Stock Exchange’s Sci-Tech innovAtion boaRd (the “STAR Market”), in late December 2020, we reorganized our entity structures in China. JinMei and BoYu and their subsidiaries were assigned to Tongmei and effectively merged with Tongmei although they retained their own respective legal entity status and are wholly owned subsidiaries of Tongmei. The 33% minority interest stakeholders of BoYu converted their ownership to a 7.59% minority interest in Tongmei. The 8.5% minority interest stakeholders, employees of JinMei, converted their ownership to a 0.38% minority interest in Tongmei. Further, a number of employees, key managers and contributors purchased a 0.4% minority interest in Tongmei. Additionally, Baoding Tongmei and ChaoYang Tongmei, were assigned to Tongmei as wholly owned subsidiaries. In 2020, the private equity funds (the “Investors”) had transferred approximately $48.1 million of new capital to Tongmei. An additional investment of approximately $1.5 million of new capital was funded in January 2021. Under China regulations these investments must be formally approved by the appropriate government agency and are not deemed to be dilutive until such approval is granted. The government approved the approximately $49 million investment in its entirety on January 25, 2021, at which time the Investors owned a redeemable noncontrolling interest in Tongmei of 7.28%. As of September 30, 2025, Tongmei’s noncontrolling interests and redeemable noncontrolling interests totaled approximately 14.5%. We remain the controlling stakeholder of Tongmei and hold a majority of the board of director positions of Tongmei. In June 2021, we sold AXT-Tongmei to Tongmei for $1. Since Tongmei is 85.5% owned by us, and the transaction was between common interest holders, the transaction was accounted for at net book value and resulted in an increase of $1.2 million to noncontrolling interests and $1.2 million to redeemable noncontrolling interests.

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