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CONVERTIBLE NOTES (Bridge Note debt discounts and debt premiums) (Details) - Convertible Debt [Member] - Convertible Bridge Loan $ in Thousands	9 Months Ended
	Sep. 30, 2020 USD ($)
Debt discounts
Beginning balance	$ (1,796)
Deductions: Amortization/accretion	703
Deductions: Write-off related to note conversions	138
Deductions: Write-off related to note extinguishment	955
Debt premiums
Additions:	793
Deductions: Amortization/accretion	(385)
Deductions: Write-off related to note conversions	$ (408)

X

- Definition

Amount of additional to unamortized premiums during the period.

+ References

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X

- Definition

Amount of noncash expense included in interest expense to amortize debt discount associated with the related debt instruments.

+ References

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- Definition

Amount of noncash expense included in interest expense to amortize debt premium associated with the related debt instruments.

+ References

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- Definition

Write-off of amounts previously capitalized as debt discount related to note conversions.

+ References

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- Definition

Write-off of amounts previously capitalized as debt discount related to note extinguishment.

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- Definition

Write-off of amounts previously capitalized as debt premium related to note conversions.

+ References

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- Definition

Amount, after accumulated amortization, of debt discount.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28541-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

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