CONVERTIBLE NOTES - Schedule of principal amount and number of shares of common stock issuable upon exercise of warrants (Details)	Sep. 30, 2021 USD ($)
Essetifin SPA [Member] | 2020 Notes
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 400,000
Essetifin SPA [Member] | 2019 Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	1,000,000
Joseph C. McNay [Member] | 2019 Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	25,000
J.J. Finkelstein [Member] | 2020 Notes
Debt Instrument [Line Items]
Debt Instrument, Face Amount	10,000
J.J. Finkelstein [Member] | 2019 Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	25,000
Mauro Bove [Member] | 2020 Notes
Debt Instrument [Line Items]
Debt Instrument, Face Amount	10,000
Mauro Bove [Member] | 2019 Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	10,000
Allan L. Goldstein [Member] | 2020 Notes
Debt Instrument [Line Items]
Debt Instrument, Face Amount	5,000
Allan L. Goldstein [Member] | 2019 Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	5,000
R. Don Elsey [Member] | 2019 Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 5,000