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PRIVATE PLACEMENT MEMORANDUM (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Proceeds from unsecured subordinated promissory notes	$ 0	$ 1,035
Less debt issuance costs and discount Payment of commission and placement agent fees and related expenses	0	(155)
Principal payments on promissory notes	(384)	(650)
Non-cash activity
Current portion of unsecured subordinated promissory notes	0	$ (231)
Private Placement Memorandum [Member]
Proceeds from unsecured subordinated promissory notes	1,035
Less debt issuance costs and discount Payment of commission and placement agent fees and related expenses	(155)
Principal payments on promissory notes	(1,035)
Non-cash activity
Common stock issued to placement agent	(255)
Obligation to issue common stock to private placement noteholders	(255)
Amortization of issuance costs and debt discount	665
Unsecured subordinated promissory notes, net of issuance and debt discount	0
Current portion of unsecured subordinated promissory notes	0
Long-term portion of unsecured subordinated promissory notes	$ 0

X

- Definition

Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.

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