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