STOCKHOLDERS' EQUITY (Side Warrants) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Jun. 29, 2017
Class of Warrant or Right [Line Items]
Underlying shares (in shares)	13,763,608
Warrants, fair value			$ 211,000
Merger advisory fees		$ 2,676,000
Upon Execution
Class of Warrant or Right [Line Items]
Underlying shares (in shares)	22,857
Performance Based
Class of Warrant or Right [Line Items]
Underlying shares (in shares)	68,572
Common Stock
Class of Warrant or Right [Line Items]
Underlying shares (in shares)			45,600
Exercise price (in dollars per share)			$ 7.50
Side Warrants [Member]
Class of Warrant or Right [Line Items]
Underlying shares (in shares)	91,429
Exercise price (in dollars per share)	$ 7.00
Class of warrant or right, term	5 years
Merger advisory fees		$ 487,000
Side Warrants [Member] | Common Stock
Class of Warrant or Right [Line Items]
Underlying shares (in shares)	0