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Bank Loans and Line of Credit - Schedule of Bank Loans (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2023
Bank Loans and Line of Credit |  |
Loan Balance | $ 47,078 | $ 52,921
Beijing Tongmei Xtal Technology | Bank of China | Bank Loan with 2.7 Percent, March 2023 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 2,108
Interest Rate |  | 2.70%
Loan Balance | 2,175 |
Beijing Tongmei Xtal Technology | Bank of China | Bank Loan with 4.6 Percent, January 2023 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 3,935
Interest Rate |  | 4.60%
Loan Balance | 4,059 |
Beijing Tongmei Xtal Technology | Bank of China | Bank Loan with 4.2 Percent, April 2023 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 1,405
Interest Rate |  | 4.20%
Loan Balance | 1,450 |
Beijing Tongmei Xtal Technology | Bank of China | Bank Loan with 2.8 Percent, March 2024 Due Date One |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 2,184
Interest Rate |  | 2.80%
Loan Balance |  | $ 2,118
Beijing Tongmei Xtal Technology | Bank of China | Bank Loan with 2.7 Percent, September 2024 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 376
Interest Rate |  | 2.70%
Loan Balance |  | $ 386
Beijing Tongmei Xtal Technology | Bank of China | Bank Loan with 3.5 Percent, November 2024 Due Date One |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 876
Interest Rate |  | 3.50%
Loan Balance |  | $ 876
Beijing Tongmei Xtal Technology | Bank of China | Bank Loan with 3.5 Percent, November 2024 Due Date Two |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 1,003
Interest Rate |  | 3.50%
Loan Balance |  | $ 1,003
Beijing Tongmei Xtal Technology | Bank of China | Bank Loan with 3.5 Percent, January 2024 Due Date Two |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 2,911
Interest Rate |  | 3.50%
Loan Balance |  | $ 2,825
Beijing Tongmei Xtal Technology | Bank of China | Bank Loan with 3.9 Percent, March 2022 Due Date Two. |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 1,848
Interest Rate |  | 3.50%
Loan Balance |  | $ 1,795
Beijing Tongmei Xtal Technology | Bank of Communications | Bank Loan with 3.3 Percent January 2023 Due Date Two |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 1,450
Interest Rate |  | 3.30%
Loan Balance | 1,450 |
Beijing Tongmei Xtal Technology | Bank of Communications | Bank Loan with 3.3 Percent, January 2024 Due Date Two |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 1,455
Interest Rate |  | 3.30%
Loan Balance |  | $ 1,414
Beijing Tongmei Xtal Technology | Bank of Communications | Bank Loan with 3.8 Percent, May 2024 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 1,380
Interest Rate |  | 3.80%
Loan Balance |  | $ 1,414
Beijing Tongmei Xtal Technology | Bank of Communications | Bank Loan with 3.8 Percent, May 2024 Due Date One |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 1,373
Interest Rate |  | 3.80%
Loan Balance |  | $ 1,414
Beijing Tongmei Xtal Technology | Bank of Communications | Bank Loan with 4 Percent September 2022 Due Date. |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 1,405
Interest Rate |  | 3.30%
Loan Balance | 1,450 |
Beijing Tongmei Xtal Technology | Bank of Communications | Bank Loan with 4 Percent November 2022 Due Date. |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 1,405
Interest Rate |  | 3.30%
Loan Balance | 1,450 |
Beijing Tongmei Xtal Technology | China Merchants Bank | Bank Loan with 4.2 Percent, December 2022 Due Date. |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 4,367
Interest Rate |  | 3.70%
Loan Balance |  | $ 4,235
Beijing Tongmei Xtal Technology | Bank of Beijing | Bank Loan with 4.2 Percent, May 2023 Due Date. |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 3,192
Interest Rate |  | 4.20%
Loan Balance | 3,292 |
Beijing Tongmei Xtal Technology | Bank of Beijing | Bank Loan with 4.2 Percent One, January 2024 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 2,290
Interest Rate |  | 4.20%
Loan Balance |  | $ 2,220
Beijing Tongmei Xtal Technology | Bank of Beijing | Bank Loan with 3.2 Percent, May 2024 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 3,541
Interest Rate |  | 3.20%
Loan Balance |  | $ 3,626
Beijing Tongmei Xtal Technology | Bank of Beijing | Bank Loan with 3.2 Percent, February 2024 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 1,380
Interest Rate |  | 3.20%
Loan Balance |  | $ 1,414
Beijing Tongmei Xtal Technology | Bank of Beijing | Bank Loan with 3.0 Percent, December 2024 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 1,414
Interest Rate |  | 3.00%
Loan Balance |  | $ 1,414
Beijing Tongmei Xtal Technology | Industrial Bank | Bank Loan with 4.4 Percent, June 2023 Due Date. |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 5,621
Interest Rate |  | 4.40%
Loan Balance | 5,798 |
Beijing Tongmei Xtal Technology | Industrial Bank | Bank Loan with 4.4 Percent, September 2023 Due Date. |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 2,811
Interest Rate |  | 4.40%
Loan Balance | 2,900 |
Beijing Tongmei Xtal Technology | Industrial Bank | Bank Loan with 4.3 Percent, June 2024 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 2,757
Interest Rate |  | 4.30%
Loan Balance |  | $ 2,825
Beijing Tongmei Xtal Technology | Industrial Bank | Bank Loan with 4.3 Percent, July 2024 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 2,744
Interest Rate |  | 4.30%
Loan Balance |  | $ 2,825
Beijing Tongmei Xtal Technology | Industrial Bank | Bank Loan with 4.3 Percent, September 2024 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 2,744
Interest Rate |  | 4.30%
Loan Balance |  | $ 2,825
Beijing Tongmei Xtal Technology | NingBo Bank | Bank Loan with 4.8 Percent, June 2023 Due Date One |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 1,405
Interest Rate |  | 4.80%
Loan Balance | 1,450 |
Beijing Tongmei Xtal Technology | NingBo Bank | Bank Loan with 4.8 Percent, August 2023 Due Date. |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 1,405
Interest Rate |  | 4.80%
Loan Balance | 1,450 |
Beijing Tongmei Xtal Technology | NingBo Bank | Bank Loan with 4.8 Percent, September 2023 Due Date. |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 1,405
Interest Rate |  | 4.80%
Loan Balance | 1,450 |
Beijing Tongmei Xtal Technology | NingBo Bank | Bank Loan with 4.5 Percent, November 2023 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 1,406
Interest Rate |  | 4.50%
Loan Balance | 1,450 |
Beijing Tongmei Xtal Technology | NingBo Bank | Bank Loan with 4.5 Percent, December 2023 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 2,900
Interest Rate |  | 4.50%
Loan Balance | 2,900 |
Beijing Tongmei Xtal Technology | NingBo Bank | Bank Loan with 4.2 Percent, September 2024 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 2,744
Interest Rate |  | 4.20%
Loan Balance |  | $ 2,820
Beijing Tongmei Xtal Technology | NingBo Bank | Bank Loan with 4.3 Percent, November 2024 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 1,271
Interest Rate |  | 4.30%
Loan Balance |  | $ 1,271
Beijing Tongmei Xtal Technology | NingBo Bank | Bank Loan with 4.3 Percent, December 2024 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 2,825
Interest Rate |  | 4.30%
Loan Balance |  | $ 2,825
Beijing Tongmei Xtal Technology | Industrial and Commercial Bank of China | Bank Loan with 3.2 Percent, July 2023 Due Date. |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 5,621
Interest Rate |  | 3.20%
Loan Balance | 5,800 |
Beijing Tongmei Xtal Technology | Industrial and Commercial Bank of China | Bank Loan with 3.3 Percent, September 2024 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 2,744
Interest Rate |  | 3.30%
Loan Balance |  | $ 2,825
Beijing Tongmei Xtal Technology | NanJing Bank | Bank Loan with 4.3 Percent, September 2023 Due Date. |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 2,811
Interest Rate |  | 4.30%
Loan Balance | 2,899 |
Beijing Tongmei Xtal Technology | NanJing Bank | Bank Loan with 4.3 Percent, November 2023 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 1,265
Interest Rate |  | 4.30%
Loan Balance | $ 1,305 |
Beijing Tongmei Xtal Technology | NanJing Bank | Bank Loan with 3.8 Percent, October 2024 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 2,752
Interest Rate |  | 3.80%
Loan Balance |  | $ 2,752
Beijing BoYu Semiconductor Vessel Craftwork Technology Co | Bank of China | Bank Loan with 2.4 Percent, January 2024 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 1,204
Interest Rate |  | 2.40%
Loan Balance |  | $ 849
Beijing BoYu Semiconductor Vessel Craftwork Technology Co | Bank of Communications | Bank Loan with 3.0 Percent, May 2024 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 1,414
Interest Rate |  | 3.00%
Loan Balance |  | $ 1,414
Beijing BoYu Semiconductor Vessel Craftwork Technology Co | Industrial Bank |  |
Bank Loans and Line of Credit |  |
Guarantee fee (as a percent) | 0.70% |
Beijing BoYu Semiconductor Vessel Craftwork Technology Co | Industrial Bank | Bank Loan With 3.6 Percent September 2024 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 688
Interest Rate |  | 3.60%
Loan Balance |  | $ 708
Beijing BoYu Semiconductor Vessel Craftwork Technology Co | NingBo Bank | Bank Loan with 4.8 Percent, June 2023 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 725
Interest Rate |  | 4.80%
Loan Balance | $ 725 |
Beijing BoYu Semiconductor Vessel Craftwork Technology Co | NingBo Bank | Bank Loan with 4.8 Percent, March 2023 Due Date. |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 703
Interest Rate |  | 4.80%
Loan Balance | 725 |
Beijing BoYu Semiconductor Vessel Craftwork Technology Co | NingBo Bank | Bank Loan with 3.6 Percent, May 2023 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 1,406
Interest Rate |  | 3.60%
Loan Balance | 1,450 |
Beijing BoYu Semiconductor Vessel Craftwork Technology Co | NingBo Bank | Bank Loan with 3.3 Percent, May 2024 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 1,414
Interest Rate |  | 3.30%
Loan Balance |  | $ 1,414
Beijing BoYu Semiconductor Vessel Craftwork Technology Co | Industrial and Commercial Bank of China | Bank Loan with 2.7 Percent, December 2024 Due Date |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 1,414
Interest Rate |  | 2.70%
Loan Balance |  | $ 1,414
Beijing BoYu Semiconductor Vessel Craftwork Technology Co | Industrial and Commercial Bank of China | Bank Loan with 3.9 Percent, December 2022 Due Date. |  |
Bank Loans and Line of Credit |  |
Loan Detail |  | $ 1,450
Interest Rate |  | 2.80%
Loan Balance | $ 1,450 |

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