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Loans and Line of Credit (Tables) | 3 Months Ended
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Mar. 31, 2025
Bank Loans and Line of Credit |
Schedule of bank loans and line of credit | The following table represents Short-term bank loans as of March 31, 2025 and December 31, 2024 (in thousands, except interest rate data): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | Loan | Interest | ​ | ​ | ​ | ​ | ​ | March 31, | ​ | December 31,
Subsidiary | Bank | ​ | Detail | Rate | ​ | Start Date | ​ | Due Date | ​ | 2025 | ​ | 2024
Tongmei | Bank of China (1) | $ | 689 | 2.7 | % | January-25 | ​ | January-26 | $ | 689 | $ | -
​ | ​ | ​ | 579 | 2.7 | % | March-25 | ​ | March-26 | ​ | 579 | ​ | -
​ | Bank of China (3) | ​ | 1,426 | 2.4 | % | September-24 | ​ | September-25 | ​ | 1,380 | ​ | 1,370
​ | ​ | ​ | 1,370 | 2.4 | % | November-24 | ​ | November-25 | ​ | 1,380 | ​ | 1,370
​ | ​ | ​ | 685 | 2.7 | % | November-24 | ​ | November-25 | ​ | 689 | ​ | 685
​ | ​ | ​ | 2,480 | 2.5 | % | February-25 | ​ | February-26 | ​ | 2,480 | ​ | -
​ | Bank of Communications (1) | ​ | 1,376 | 3.0 | % | May-24 | ​ | May-25 | ​ | 1,380 | ​ | 1,370
​ | ​ | ​ | 2,480 | 3.0 | % | June-24 | ​ | May-25 | ​ | 2,480 | ​ | 2,466
​ | China Merchants Bank (1) | ​ | 1,386 | 3.5 | % | January-24 | ​ | January-25 | ​ | - | ​ | 1,370
​ | ​ | ​ | 692 | 3.5 | % | February-24 | ​ | February-25 | ​ | - | ​ | 685
​ | ​ | ​ | 692 | 3.5 | % | April-24 | ​ | April-25 | ​ | - | ​ | 685
​ | ​ | ​ | 3,155 | 2.9 | % | January-25 | ​ | January-26 | ​ | 3,155 | ​ | -
​ | ​ | ​ | 978 | 2.9 | % | March-25 | ​ | March-26 | ​ | 978 | ​ | -
​ | Bank of Beijing (2) | ​ | 3,600 | 3.0 | % | March-24 | ​ | February-25 | ​ | - | ​ | 3,565
​ | ​ | ​ | 3,580 | 3.0 | % | June-24 | ​ | June-25 | ​ | 3,585 | ​ | 3,565
​ | ​ | ​ | 2,204 | 2.7 | % | March-25 | ​ | March-26 | ​ | 2,204 | ​ | -
​ | Industrial Bank (1) | ​ | 2,851 | 3.9 | % | September-24 | ​ | September-25 | ​ | 2,800 | ​ | 2,740
​ | ​ | ​ | 2,679 | 3.9 | % | October-24 | ​ | October-25 | ​ | 2,689 | ​ | 2,679
​ | ​ | ​ | 1,440 | 3.2 | % | November-24 | ​ | November-25 | ​ | 1,447 | ​ | 1,440
​ | Industrial Bank (4) | ​ | 1,380 | 3.8 | % | March-25 | ​ | March-26 | ​ | 1,380 | ​ | -
​ | NingBo Bank (1) | ​ | 1,647 | 4.3 | % | January-24 | ​ | January-25 | ​ | - | ​ | 1,630
​ | ​ | ​ | 1,258 | 4.3 | % | May-24 | ​ | March-25 | ​ | - | ​ | 1,255
​ | ​ | ​ | 1,822 | 3.9 | % | November-24 | ​ | November-25 | ​ | 1,832 | ​ | 1,822
​ | ​ | ​ | 550 | 3.9 | % | December-24 | ​ | December-25 | ​ | 551 | ​ | 550
​ | ​ | ​ | 1,584 | 3.9 | % | January-25 | ​ | January-26 | ​ | 1,584 | ​ | -
​ | ​ | ​ | 689 | 3.9 | % | March-25 | ​ | March-26 | ​ | 689 | ​ | -
​ | Industrial and Commercial Bank of China (1) | ​ | 2,851 | 3.3 | % | September-24 | ​ | September-25 | ​ | 2,750 | ​ | 2,740
​ | China Citic Bank (1) | ​ | 2,752 | 2.9 | % | June-24 | ​ | June-25 | ​ | 2,755 | ​ | 2,740
​ | ​ | ​ | 2,851 | 2.9 | % | July-24 | ​ | July-25 | ​ | 2,755 | ​ | 2,740
​ | ​ | ​ | 1,426 | 2.9 | % | September-24 | ​ | September-25 | ​ | 1,380 | ​ | 1,370
​ | Agricultural Bank of China (1) | ​ | 1,235 | 2.6 | % | November-24 | ​ | November-25 | ​ | 1,240 | ​ | 1,235
​ | ​ | ​ | 137 | 2.6 | % | December-24 | ​ | December-25 | ​ | 138 | ​ | 137
BoYu | Industrial and Commercial Bank of China (1) | ​ | 1,426 | 2.8 | % | September-24 | ​ | September-25 | ​ | 1,380 | ​ | 1,370
​ | Bank of China (1) | ​ | 1,145 | 2.3 | % | September-24 | ​ | September-25 | ​ | 1,102 | ​ | 1,096
​ | ​ | ​ | 274 | 2.4 | % | December-24 | ​ | December-25 | ​ | 276 | ​ | 274
​ | Industrial Bank (1) | ​ | 1,370 | 2.7 | % | November-24 | ​ | November-25 | ​ | 1,380 | ​ | 1,370
​ | Bank of Communications (1) | ​ | 274 | 3.0 | % | May-24 | ​ | May-25 | ​ | 276 | ​ | 274
​ | NanJing Bank (1) | ​ | 1,370 | 2.8 | % | December-24 | ​ | December-25 | ​ | 1,380 | ​ | 1,370
​ | Loan Balance | ​ | ​ | ​ | ​ | ​ | ​ | ​ | $ | 50,763 | $ | 45,963
​ Collateral for the above bank loans and line of credit
| (1) | Not collateralized.
| (2) | AXT time deposit.
| (3) | Baoding Tongmei’s land use rights and its building located at its facility in Dingxing, China. In addition, the loan attracts a guarantee fee amounting to 1.0% of the loan amount.
| (4) | Chaoyang JinMei’s land use rights and its building located at its facility in Kazuo, China.
Schedule of maturities of long-term loan | As of March 31, 2025, the maturities of our long-term loan liabilities in five years (including current portion) are as follows (in thousands): ​
​ | ​ | ​
Maturity of long-term loans |  | ​
2025 | $ | 1,102
2026 | ​ | 3,995
2027 | ​ | 964
2028 | ​ | 1,240
2029 | ​ | 2,360

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