Quarterly report pursuant to Section 13 or 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Schedule of activity in contract liabilities

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - Schedule of activity in contract liabilities - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Schedule of activity in contract liabilities [Abstract]    
Balance at beginning of period $ 378,850 $ 20,631
Additions 582,266 397,269
Transfer to revenue (717,856) (39,050)
Balance at end of period $ 243,260 $ 378,850