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SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE (Schedule of Sales, Net of Collection Allowance) (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]
Revenue, net of contractual allowances and adjustments	$ 823	$ 327	$ 2,578	$ 946
Allowances for doubtful accounts	(173)	(57)	(399)	(168)
Total	650	270	2,179	778
Medicaid [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	15	4	38	24
Allowances for doubtful accounts	(15)	(1)	(38)	(5)
Total		3		19
Medicare [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	288	165	703	454
Allowances for doubtful accounts	(43)	(30)	(105)	(83)
Total	245	135	598	371
Self-Pay [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	48	33	94	87
Allowances for doubtful accounts		(6)		(16)
Total	48	27	94	71
Third-Party Payor [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	289	114	639	370
Allowances for doubtful accounts	(115)	(20)	(256)	(64)
Total	174	94	383	306
Contract Diagnostic Services [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	168		1,024
Total	168		1,024
Services Revenue, Net [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	808	316	2,498	935
Allowances for doubtful accounts	(173)	(57)	(399)	(168)
Total	635	259	2,099	767
Clinical Research Grants and Other [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	15	11	80	11
Total	$ 15	$ 11	$ 80	$ 11

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+ 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)
-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 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(d))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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