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CONVERTIBLE NOTES (Convertible Promissory Notes - Exchange Notes) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019	Apr. 16, 2019	Feb. 28, 2018
Debt Instrument [Line Items]
Total debt		$ 1,030		$ 519
Repayments of Notes Payable		302	$ 329
Conversion of convertible debt into common stock		$ 2,176	7,390
Write off of derivative liability	$ 0		100
Creditor Warrants Relating to Secured Debt
Debt Instrument [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights						$ 112.50
Crede Note
Debt Instrument [Line Items]
Repayments of Notes Payable	$ 0		$ 0
Debt Conversion, Converted Instrument, Shares Issued		270,699		270,699
Long-term Debt		$ 0		$ 0	$ 1,450
Number of shares converted from debt instrument (in shares)		270,699		270,699
Convertible Debt [Member] | Convertible promissory notes - Exchange Notes
Debt Instrument [Line Items]
Debt Conversion, Converted Instrument, Shares Issued	0		155,351
Conversion of convertible debt into common stock	$ 0		$ 600
Number of shares converted from debt instrument (in shares)	0		155,351

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