Annual report pursuant to Section 13 and 15(d)

SIGNIFICANT ACCOUNTING POLICIES - Impairment of long-lived assets (Details)

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SIGNIFICANT ACCOUNTING POLICIES - Impairment of long-lived assets (Details)
12 Months Ended
Dec. 31, 2022
USD ($)
SIGNIFICANT ACCOUNTING POLICIES  
Impairment loss on intangible assets. $ 2,626,974
Impairment loss on property and equipment. $ 49,948
Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration] Asset Impairment Charge
Impairment loss on goodwill $ 463,000