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SHARE-BASED COMPENSATION - Share based compensation expenses (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
SHARE-BASED COMPENSATION
Total share based compensation expenses	$ 10,520,282	$ 18,679,658	$ 10,129,541
Research and development expenses
SHARE-BASED COMPENSATION
Total share based compensation expenses	7,227,298	13,582,746	6,472,083
Administrative expenses
SHARE-BASED COMPENSATION
Total share based compensation expenses	$ 3,292,984	$ 5,096,912	$ 3,657,458

X

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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+ References

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