NET SALES SERVICE REVENUE AND ACCOUNTS RECEIVABLE (Schedule of Gross to Net Sales Adjustments) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Disaggregation of Revenue [Line Items]
Gross revenue	$ 1,237	$ 527	$ 2,220	$ 1,032
Gross revenue including other	1,297	527	2,285	1,032
Contractual allowance	(338)	(211)	(530)	(413)
Service revenue, net	899	316	1,690	619
Other, net	(2)		3
Revenue, net of contractual allowances and adjustments	959	316	1,755	619
Medicaid [Member]
Disaggregation of Revenue [Line Items]
Gross revenue	26	41	41	65
Contractual allowance	(15)	(33)	(18)	(45)
Service revenue, net	11	8	23	20
Revenue, net of contractual allowances and adjustments	11	8	23	20
Medicare [Member]
Disaggregation of Revenue [Line Items]
Gross revenue	292	128	429	294
Contractual allowance	(11)	3	(14)	(5)
Service revenue, net	281	131	415	289
Revenue, net of contractual allowances and adjustments	281	131	415	289
Self-Pay [Member]
Disaggregation of Revenue [Line Items]
Gross revenue	20	58	46	78
Contractual allowance		(24)		(24)
Service revenue, net	20	34	46	54
Revenue, net of contractual allowances and adjustments	20	34	46	54
Third-Party Payor [Member]
Disaggregation of Revenue [Line Items]
Gross revenue	531	300	848	595
Contractual allowance	(312)	(157)	(498)	(339)
Service revenue, net	219	143	350	256
Revenue, net of contractual allowances and adjustments	219	$ 143	350	$ 256
Contract Diagnostic Services [Member]
Disaggregation of Revenue [Line Items]
Gross revenue	368		856
Service revenue, net	368		856
Revenue, net of contractual allowances and adjustments	368		856
Clinical Research Grants and Other [Member]
Disaggregation of Revenue [Line Items]
Other, gross	60		65
Other, net	60		65
Revenue, net of contractual allowances and adjustments	$ 60		$ 65

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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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No definition available.

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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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-Name Accounting Standards Codification
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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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