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CONVERTIBLE REDEEMABLE PREFERRED SHARES AND WARRANTS - Preferred Shares (Details) | 1 Months Ended | 4 Months Ended | 6 Months Ended |  |  |  |
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Dec. 31, 2019 USD ($) $ / shares shares | Feb. 28, 2018 USD ($) item $ / shares | Nov. 30, 2014 USD ($) $ / shares shares | May 31, 2018 USD ($) $ / shares shares | Nov. 30, 2019 USD ($) $ / shares shares | Jun. 30, 2016 USD ($) $ / shares shares | Dec. 31, 2022 shares | Dec. 31, 2021 shares | Feb. 11, 2021 shares | Nov. 30, 2011 USD ($) $ / shares
CONVERTIBLE REDEEMABLE PREFERRED SHARES AND WARRANTS |  |  |  |  |  |  |  |  |  |
Total maximum consideration from exercise of warrants | $ |  | $ 7,500,000 |  |  |  |  |  |  |  |
Preferred shares issued |  |  |  |  |  |  | 0 | 0 |  |
Preferred shares outstanding |  |  |  |  |  |  | 0 | 0 |  |
IPO |  |  |  |  |  |  |  |  |  |
CONVERTIBLE REDEEMABLE PREFERRED SHARES AND WARRANTS |  |  |  |  |  |  |  |  |  |
Number of shares on conversion of each convertible preferred stock |  |  |  |  |  |  |  |  | 1 |
Series C 1 Warrants |  |  |  |  |  |  |  |  |  |
CONVERTIBLE REDEEMABLE PREFERRED SHARES AND WARRANTS |  |  |  |  |  |  |  |  |  |
Consideration from issuance of warrants | $ |  | $ 0 |  |  |  |  |  |  |  |
Exercise price of warrants (in dollars per share) | $ / shares |  | $ 10.21 |  |  |  |  |  |  |  |
Series A-1 convertible redeemable preferred shares |  |  |  |  |  |  |  |  |  |
CONVERTIBLE REDEEMABLE PREFERRED SHARES AND WARRANTS |  |  |  |  |  |  |  |  |  |
Conversion price (in dollars per share) | $ / shares |  |  | $ 1 |  |  |  |  |  |  |
Shares issued upon conversion of Series Pre-A Convertible Notes (in shares) |  |  | 5,473,957 |  |  |  |  |  |  |
Series A-2 convertible redeemable preferred shares |  |  |  |  |  |  |  |  |  |
CONVERTIBLE REDEEMABLE PREFERRED SHARES AND WARRANTS |  |  |  |  |  |  |  |  |  |
Number of new shares issued |  |  | 2,370,414 |  |  |  |  |  |  |
Shares issued price per share (in dollars per share) | $ / shares |  |  | $ 1.27 |  |  |  |  |  |  |
Total consideration from issuance of convertible redeemable preferred shares | $ |  |  | $ 3,000,000 |  |  |  |  |  |  |
Series B convertible redeemable preferred shares |  |  |  |  |  |  |  |  |  |
CONVERTIBLE REDEEMABLE PREFERRED SHARES AND WARRANTS |  |  |  |  |  |  |  |  |  |
Number of new shares issued |  |  |  |  |  | 7,494,537 |  |  |  |
Shares issued price per share (in dollars per share) | $ / shares |  |  |  |  |  | $ 3.74 |  |  |  |
Total consideration from issuance of convertible redeemable preferred shares | $ |  |  |  |  |  | $ 27,999,995 |  |  |  |
Series C-1 convertible redeemable preferred shares |  |  |  |  |  |  |  |  |  |
CONVERTIBLE REDEEMABLE PREFERRED SHARES AND WARRANTS |  |  |  |  |  |  |  |  |  |
Number of new shares issued |  |  |  | 5,597,354 |  |  |  |  |  |
Shares issued price per share (in dollars per share) | $ / shares |  |  |  | $ 8.93 |  |  |  |  |  |
Total consideration from issuance of convertible redeemable preferred shares | $ |  |  |  | $ 50,000,033 |  |  |  |  |  |
Number of Series C-1 investors to whom warrants were issued | item |  | 2 |  |  |  |  |  |  |  |
Series C-2 convertible redeemable preferred shares |  |  |  |  |  |  |  |  |  |
CONVERTIBLE REDEEMABLE PREFERRED SHARES AND WARRANTS |  |  |  |  |  |  |  |  |  |
Number of new shares issued |  |  |  |  | 1,861,121 |  |  |  |  |
Shares issued price per share (in dollars per share) | $ / shares |  |  |  |  | $ 10.21 |  |  |  |  |
Total consideration from issuance of convertible redeemable preferred shares | $ |  |  |  |  | $ 18,999,999 |  |  |  |  |
Series C-3 convertible redeemable preferred shares |  |  |  |  |  |  |  |  |  |
CONVERTIBLE REDEEMABLE PREFERRED SHARES AND WARRANTS |  |  |  |  |  |  |  |  |  |
Number of new shares issued | 4,452,441 |  |  |  |  |  |  |  |  |
Shares issued price per share (in dollars per share) | $ / shares | $ 11.23 |  |  |  |  |  |  |  |  |
Total consideration from issuance of convertible redeemable preferred shares | $ | $ 50,000,000 |  |  |  |  |  |  |  |  |
Series Pre-A Convertible Notes |  |  |  |  |  |  |  |  |  |
CONVERTIBLE REDEEMABLE PREFERRED SHARES AND WARRANTS |  |  |  |  |  |  |  |  |  |
Amount of Series Pre A Convertible Notes issued | $ |  |  |  |  |  |  |  |  |  | $ 4,590,908
Series Pre A Convertible Notes, Interest rate (as a percent) |  |  |  |  |  |  |  |  |  | 6.00%
Conversion price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  | $ 1

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