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Short Term Investment (Details) $ in Thousands			12 Months Ended
	Sep. 06, 2021 USD ($)	Sep. 06, 2021 CNY (¥)	Dec. 31, 2021 USD ($)
Short Term Investment (Details) [Line Items]
Short term investment			$ 2,190
Investment term			12 months
Investment returns			8.00%
Hainan [Member]
Short Term Investment (Details) [Line Items]
Private equity investment	$ 2,190
Investment portfolio (in Yuan Renminbi) | ¥		¥ 13,000,000

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Percentage of investment income (loss) to average net assets.

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Amount of short-term investments classified as other.

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