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v3.23.1

Short Term Investment (Details) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Sep. 06, 2021 USD ($) | Sep. 06, 2021 CNY (¥)
Short Term Investment (Details) [Line Items] |  |  |  |
Short term investment | $ 1,180 | $ 990 |  |
Equity fund invests |  |  | $ 1,870 | ¥ 13,000,000
Market value |  | 990 |  |
Investment portfolio | 180 | $ 910 |  |
Short term investment [Member] |  |  |  |
Short Term Investment (Details) [Line Items] |  |  |  |
Market value | $ 1,180 |  |  |
Private Equity Funds [Member] |  |  |  |
Short Term Investment (Details) [Line Items] |  |  |  |
Equity fund invests |  |  | $ 1,890 | ¥ 13,000,000

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