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The effective interest rate during the reporting period.

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Net Increase or Decrease in balance of noncontrolling interest in the subsidiary during the reporting period.

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Subsequent Events (Details) - USD ($)	1 Months Ended			3 Months Ended	12 Months Ended
Subsequent Events (Details) - USD ($)	Jan. 31, 2023	Aug. 31, 2022	Jan. 31, 2021	Mar. 31, 2023	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2022	Apr. 30, 2022
Subsequent Events
Increase in redeemable noncontrolling interests					$ 1,514,000
Investments, equity method					$ 10,166,000		$ 14,607,000
ChaoYang KaiMei Quartz Co., Ltd
Subsequent Events
Percentage of ownership, equity method							40.00%	40.00%
Investments, equity method							$ 827,000	$ 3,000,000.0
ChaoYang ShuoMei High Purity Semiconductor Materials Co., Ltd.
Subsequent Events
Increase in noncontrolling interest		$ 406,000
Percentage of ownership, equity method								75.00%
Investments, equity method								$ 3,300,000
Beijing Tongmei Xtal Technology
Subsequent Events
Increase in redeemable noncontrolling interests			$ 1,500,000			$ 48,100,000
Subsequent Event. \| Bank loan
Subsequent Events
Proceeds from bank loan	$ 15,700,000
Line of credit, term	1 year
Repayments of loan				$ 10,800,000
Subsequent Event. \| Bank loan \| Secured debt
Subsequent Events
Proceeds from bank loan	$ 5,300,000
Subsequent Event. \| Bank loan \| Unsecured Debt
Subsequent Events
Proceeds from bank loan	$ 10,400,000
Subsequent Event. \| Maximum \| Bank loan
Subsequent Events
Interest rate	4.50%
Subsequent Event. \| Minimum \| Bank loan
Subsequent Events
Interest rate	2.35%
Subsequent Event. \| ChaoYang KaiMei Quartz Co., Ltd
Subsequent Events
Percentage of ownership, equity method	40.00%
Investments, equity method	$ 900,000
Payment for investment	$ 1,100,000
Subsequent Event. \| ChaoYang ShuoMei High Purity Semiconductor Materials Co., Ltd.
Subsequent Events
Percentage of ownership, equity method	75.00%
Subsequent Event. \| Minority Investors [Member]
Subsequent Events
Loan amount	$ 200,000
Subsequent Event. \| ChaoYang ShuoMei High Purity Semiconductor Materials Co., Ltd.
Subsequent Events
Increase in noncontrolling interest	200,000
Increase in redeemable noncontrolling interests	36,000
Subsequent Event. \| ChaoYang JinMei Gallium Ltd.
Subsequent Events
Loan amount	$ 500,000