FAIR VALUE (Schedule of Changes in Fair Value of Liability) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 2,336	$ 1,006	$ 1,132	$ 841
Additions		720	1,858	1,925
Total (gains) or losses:
Revaluation recognized in earnings	(563)	(176)	19	(760)
Modification recognized in earnings		143	1,128	143
Deductions - warrant liability settlement			(2,364)	(456)
Balance at end of period	1,773	1,693	1,773	1,693
2016 Warrant Liability [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	86	124	116	841
Total (gains) or losses:
Revaluation recognized in earnings	(7)		(37)	(261)
Deductions - warrant liability settlement				(456)
Balance at end of period	79	124	79	124
2018 Warrant Liabilities [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	2,250	882	1,016
Additions		720	1,858	1,925
Total (gains) or losses:
Revaluation recognized in earnings	(556)	(176)	56	(499)
Modification recognized in earnings		143	1,128	143
Deductions - warrant liability settlement			(2,364)
Balance at end of period	$ 1,694	$ 1,569	$ 1,694	$ 1,569

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount of gain (loss) recognized on the income statement for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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-Publisher FASB
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-SubTopic 10
-Section 50
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Amount of gain (loss) recognized in other comprehensive income (loss) for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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- Definition

Amount of purchases of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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