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STOCKHOLDERS' EQUITY (Offering Warrants) (Details) - USD ($)	1 Months Ended		3 Months Ended		9 Months Ended
	Mar. 31, 2020	Aug. 31, 2017	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Feb. 29, 2020
Class of Stock [Line Items]
Deemed dividend			$ 0	$ 0	$ 0	$ 3,344,000
Offering Warrants
Class of Stock [Line Items]
Stock rights issued (in shares)		178,666
Exercise price (in dollars per share)	$ 0.40	$ 45.00					$ 2.25
Class of warrant or right, term		5 years
Offering Warrants \| Deemed Dividend B
Class of Stock [Line Items]
Deemed dividend	$ 6,000