CONVERTIBLE NOTES - Summary of recorded interest expense and discount accretion (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Jun. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Debt Instrument [Line Items]
Change in fair value of derivative	$ 52,186	$ 52,186	$ 155,424	$ 101,223
January 2014 [Member]
Debt Instrument [Line Items]
Change in fair value of derivative	0	0	0	479
2019 Notes [Member]
Debt Instrument [Line Items]
Change in fair value of derivative	$ 52,186	$ 52,186	$ 155,424	$ 100,744