SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE (Schedule of Gross to Net Sales Adjustments) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Disaggregation of Revenue [Line Items]
Gross revenue	$ 1,252	$ 495	$ 3,472	$ 1,527
Gross revenue including other	1,267	506	3,552	1,538
Contractual allowance	(444)	(179)	(974)	(592)
Service revenue, net	808	316	2,498	935
Other, net	2	2	5	2
Revenue, net of contractual allowances and adjustments	823	327	2,578	946
Medicaid [Member]
Disaggregation of Revenue [Line Items]
Gross revenue	30	7	71	72
Contractual allowance	(15)	(3)	(33)	(48)
Service revenue, net	15	4	38	24
Revenue, net of contractual allowances and adjustments	15	4	38	24
Medicare [Member]
Disaggregation of Revenue [Line Items]
Gross revenue	293	128	722	422
Contractual allowance	(5)	37	(19)	32
Service revenue, net	288	165	703	454
Revenue, net of contractual allowances and adjustments	288	165	703	454
Self-Pay [Member]
Disaggregation of Revenue [Line Items]
Gross revenue	48	37	94	115
Contractual allowance		(4)		(28)
Service revenue, net	48	33	94	87
Revenue, net of contractual allowances and adjustments	48	33	94	87
Third-Party Payor [Member]
Disaggregation of Revenue [Line Items]
Gross revenue	713	323	1,561	918
Contractual allowance	(424)	(209)	(922)	(548)
Service revenue, net	289	114	639	370
Revenue, net of contractual allowances and adjustments	289	114	639	370
Contract Diagnostic Services [Member]
Disaggregation of Revenue [Line Items]
Gross revenue	168		1,024
Service revenue, net	168		1,024
Revenue, net of contractual allowances and adjustments	168		1,024
Clinical Research Grants and Other [Member]
Disaggregation of Revenue [Line Items]
Other, gross	15	11	80	11
Other, net	15	11	80	11
Revenue, net of contractual allowances and adjustments	$ 15	$ 11	$ 80	$ 11

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Other Sales Revenue, Gross

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No definition available.

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Revenue net of allowance and adjustments.

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Amount, after sales adjustments, returns, allowances, and discounts, of revenue classified as other.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(a),(d))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 605
-SubTopic 50
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=68069731&loc=d3e63676-111659

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
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-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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Aggregate revenue during the period from sale of goods in the normal course of business, before deducting returns, allowances and discounts.

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Aggregate revenue during the period from services rendered in the normal course of business, after deducting allowances and discounts.

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-Name Accounting Standards Codification
-Topic 225
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