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SHARE CAPITAL- Additional information (Details) |  |  |  |  | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 14, 2021 $ / shares | Jun. 10, 2021 USD ($) $ / shares shares | Feb. 17, 2021 $ / shares | Feb. 12, 2021 USD ($) $ / shares shares | Jun. 30, 2022 CNY (¥) shares | Jun. 30, 2021 CNY (¥) | Jun. 30, 2022 $ / shares | Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 $ / shares | Dec. 31, 2020 CNY (¥)
Disclosure Of SHARE CAPITAL [Line Items] |  |  |  |  |  |  |  |  |  |
Aggregate the number of share sale | shares |  |  |  | 588,235 |  |  |  |  |  |
Purchase price of per share | $ / shares |  |  |  | $ 3.57 |  |  |  |  |  |
Warrants to purchase shares of common stock | shares |  |  |  | 588,235 |  |  |  |  |  |
Gross Proceeds from pricing of public offering | $ |  |  |  | $ 2,100,000 |  |  |  |  |  |
Warrants term | 5 years |  | 5 years | 5 years |  |  |  |  |  |
Proceeds from offering | $ |  |  |  | $ 1,860,000 |  |  |  |  |  |
Par value per share | $ / shares |  |  |  |  |  |  | $ 0.024 |  | $ 0.024 |
Warrant, Number of Securities Called by Warrants or Rights | shares |  |  |  | 588,235 |  |  |  |  |  |
Percentage of aggregate number of shares sold in offering |  |  |  | 5.00% |  |  |  |  |  |
Equity | ¥ |  |  |  |  | ¥ 27,399,000 | ¥ 67,858,000 |  | ¥ 49,556,000 |  | ¥ 97,349,000
Issuance of new shares for equity financing | ¥ |  |  |  |  |  | 29,977,000 |  |  |  |
Aggregate of warrants | shares |  |  |  |  | 41,742 |  |  |  |  |
Warrants exercise price per share | $ / shares |  |  |  | $ 4.46 |  |  |  |  |  |
Warrants exercised | ¥ |  |  |  |  | ¥ 0 | ¥ 10,394,000 |  |  |  |
Chief Financial Officer |  |  |  |  |  |  |  |  |  |
Disclosure Of SHARE CAPITAL [Line Items] |  |  |  |  |  |  |  |  |  |
Fair value of shares issued | ¥ |  |  |  |  | ¥ 301,404 |  |  |  |  |
Aggregate of warrants | shares |  |  |  |  | 41,742 |  |  |  |  |
Chief Executive Officer [Member] |  |  |  |  |  |  |  |  |  |
Disclosure Of SHARE CAPITAL [Line Items] |  |  |  |  |  |  |  |  |  |
Fair value of shares issued | ¥ |  |  |  |  | ¥ 723,395 |  |  |  |  |
Aggregate of warrants | shares |  |  |  |  | 90,489 |  |  |  |  |
Minimum |  |  |  |  |  |  |  |  |  |
Disclosure Of SHARE CAPITAL [Line Items] |  |  |  |  |  |  |  |  |  |
Exercise price, share options granted | $ / shares | $ 3.42 |  | $ 3.57 |  |  |  |  |  |  |
Maximum |  |  |  |  |  |  |  |  |  |
Disclosure Of SHARE CAPITAL [Line Items] |  |  |  |  |  |  |  |  |  |
Exercise price, share options granted | $ / shares | $ 4.35 |  | $ 4.46 |  |  |  |  |  |  |
Investor Warrants |  |  |  |  |  |  |  |  |  |
Disclosure Of SHARE CAPITAL [Line Items] |  |  |  |  |  |  |  |  |  |
Warrants to purchase shares of common stock | shares |  | 913,875 |  |  |  |  |  |  |  |
Warrants term |  | 5 years |  |  |  |  |  |  |  |
Proceeds from offering | $ |  | $ 3,180,285 |  |  |  |  |  |  |  |
Warrant, Number of Securities Called by Warrants or Rights | shares |  | 913,875 |  |  |  |  |  |  |  |
Warrants exercise price per share | $ / shares |  | $ 3.42 |  |  |  |  |  |  |  |
Placement Agent Warrants |  |  |  |  |  |  |  |  |  |
Disclosure Of SHARE CAPITAL [Line Items] |  |  |  |  |  |  |  |  |  |
Percentage of aggregate number of shares sold in offering |  | 5.00% |  |  |  |  |  |  |  |
Warrants exercise price per share | $ / shares |  | $ 4.35 |  |  |  |  |  |  |  |
Securities Purchase Agreement |  |  |  |  |  |  |  |  |  |
Disclosure Of SHARE CAPITAL [Line Items] |  |  |  |  |  |  |  |  |  |
Purchase price of per share | $ / shares |  | $ 3.48 |  |  |  |  |  |  |  |
Number of institutional accredited investors |  | 3 |  |  |  |  |  |  |  |
Number of shares issued | shares |  | 913,875 |  |  |  |  |  |  |  |
Securities Purchase Agreement | Investor Warrants |  |  |  |  |  |  |  |  |  |
Disclosure Of SHARE CAPITAL [Line Items] |  |  |  |  |  |  |  |  |  |
Closing price for the common shares preceding execution of the SPA | $ / shares |  | $ 3.42 |  |  |  |  |  |  |  |

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