STOCKHOLDERS' EQUITY (Preferred Stock Induced Conversions) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Aug. 25, 2017
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)	15,000,000		15,000,000		15,000,000
Preferred stock, par value (in dollars per share)	$ 0.01		$ 0.01		$ 0.01
Conversion of interest on convertible debt into common stock			$ 1,938	$ 7,272
Deemed dividend	$ 0	$ 0		$ 0
Preferred stock, shares outstanding (in shares)	47		47		47
Preferred stock, shares issued (in shares)	47		47		47
Preferred Class B
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)	6,900		6,900		6,900	6,900
Preferred stock, par value (in dollars per share)						$ 0.01
Number of shares converted (in shares)	0	0	0	0
Preferred stock, shares outstanding (in shares)	47		47		47
Preferred stock, shares issued (in shares)	6,900		6,900		6,900