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NET LOSS PER SHARE (Details) - USD ($)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Numerator:      
Net loss attributable to Adagene Inc.'s shareholders $ (79,971,847) $ (73,177,935) $ (42,397,279)
Accretion of convertible redeemable preferred shares to redemption value   (28,553) (248,113)
Net loss attributable to ordinary shareholders $ (79,971,847) $ (73,206,488) $ (42,645,392)
Denominator:      
Weightedaverage number of ordinary shares outstanding-basic 54,135,084 50,032,009 15,950,698
Weightedaverage number of ordinary shares outstanding-diluted 54,135,084 50,032,009 15,950,698
Net Loss per share-basic $ (1.48) $ (1.46) $ (2.67)
Net Loss per share- diluted $ (1.48) $ (1.46) $ (2.67)