STOCKHOLDERS' EQUITY (Series B Preferred Stock) (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Feb. 29, 2020	Aug. 25, 2017
Class of Stock [Line Items]
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Warrants outstanding (in shares)	357
Preferred stock, shares authorized (in shares)	15,000,000	15,000,000
Preferred stock, shares outstanding (in shares)	47	47
Preferred stock, shares issued (in shares)	47	47
Preferred Class B
Class of Stock [Line Items]
Preferred stock, par value (in dollars per share)					$ 0.01
Conversion price (in dollars per share)	$ 0.40
Number of shares converted (in shares)	0	0
Preferred stock, shares authorized (in shares)	6,900	6,900			6,900
Preferred stock, shares outstanding (in shares)	47	47
Preferred Stock, Liquidation Preference Per Share	$ 1,000				$ 1,000
Number of common shares issuable upon conversion of preferred stock.	117,500
Note Agreement 2018 [Member] | Preferred Class B
Class of Stock [Line Items]
Exercise price (in dollars per share)			$ 0.40	$ 2.25
Note Agreement 2018 [Member] | Preferred Class B | Deemed Dividend A
Class of Stock [Line Items]
Beneficial conversion feature on warrants	$ 3.3