STOCKHOLDERS' EQUITY (Preferred Stock Induced Conversions) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Dec. 31, 2017
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)	15,000,000	15,000,000
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Other current liabilities canceled in exchange for common shares	$ 1,897
Warrants exercised	300,000
Preferred stock, shares outstanding (in shares)	47	4,935
Preferred stock, shares issued (in shares)	47	4,935
Inducement Agreement 2018 [Member] | Warrants After Conversion Price Reduction [Member]
Class of Stock [Line Items]
Warrants, fair value	$ 100
Preferred Stock
Class of Stock [Line Items]
Shares not converted	47
Preferred Stock | Inducement Agreement 2018 [Member]
Class of Stock [Line Items]
Conversion price (in dollars per share)	$ 0.75	$ 1.04
Shares converted, value	$ 1,100
Warrants, fair value	$ 1,200
Common Stock
Class of Stock [Line Items]
Number of shares converted from debt instrument (in shares)	300,000