Quarterly report pursuant to Section 13 or 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Schedule of deferred revenue

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Schedule of deferred revenue - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Schedule of deferred revenue [Abstract]    
Balance at beginning of period $ 165,035 $ 378,850
Additions 550,000 1,058,850
Transfer to revenue (658,851) (1,267,665)
Balance at end of period $ 56,184 $ 165,035