STOCKHOLDERS' EQUITY (Offering Warrants) (Details) - USD ($)	1 Months Ended		12 Months Ended
	Feb. 28, 2018	Aug. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Nov. 30, 2018	Apr. 30, 2018
Class of Stock [Line Items]
Deemed dividend			$ 0	$ 4,222,000
Warrants exercised			20,000
Offering Warrants
Class of Stock [Line Items]
Stock rights issued (in shares)		178,667
Exercise price (in dollars per share)	$ 15.60	$ 45.00	$ 11.25		$ 2.25	$ 4.50
Class of warrant or right, term		5 years
Warrants exercised			6,800	146,666
Proceeds from issuance of warrants			$ 15,000	$ 795,000
Intrinsic value of warrants exercisable			$ 36,000	$ 420,000
Offering Warrants | Deemed Dividend G
Class of Stock [Line Items]
Deemed dividend	$ 62,000