Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Advertising (Details)

v3.22.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Advertising (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES    
Advertising expenses $ 1,261,296 $ 27,583