Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - (Details)

v3.20.4
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES    
Right-of-use asset (net) $ 282,365 $ 348,841