SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE (Schedule of Net Revenues) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Disaggregation of Revenue [Line Items]
Revenues, net of contractual allowances and adjustments	$ 3,448	$ 2,033
Service revenue, net [Member]
Disaggregation of Revenue [Line Items]
Revenues, net of contractual allowances and adjustments	3,335	1,702
Diagnostic Testing [Member]
Disaggregation of Revenue [Line Items]
Revenues, net of contractual allowances and adjustments	2,148	1,211
Biomarker Testing and Clinical Project Services [Member]
Disaggregation of Revenue [Line Items]
Revenues, net of contractual allowances and adjustments	1,187	491
Medicaid [Member] | Service revenue, net [Member]
Disaggregation of Revenue [Line Items]
Revenues, net of contractual allowances and adjustments	50	39
Medicaid [Member] | Diagnostic Testing [Member]
Disaggregation of Revenue [Line Items]
Revenues, net of contractual allowances and adjustments	50	39
Medicare [Member] | Service revenue, net [Member]
Disaggregation of Revenue [Line Items]
Revenues, net of contractual allowances and adjustments	1,000	569
Medicare [Member] | Diagnostic Testing [Member]
Disaggregation of Revenue [Line Items]
Revenues, net of contractual allowances and adjustments	1,000	569
Self-Pay [Member] | Service revenue, net [Member]
Disaggregation of Revenue [Line Items]
Revenues, net of contractual allowances and adjustments	138	103
Self-Pay [Member] | Diagnostic Testing [Member]
Disaggregation of Revenue [Line Items]
Revenues, net of contractual allowances and adjustments	138	103
Third-Party Payor [Member] | Service revenue, net [Member]
Disaggregation of Revenue [Line Items]
Revenues, net of contractual allowances and adjustments	960	500
Third-Party Payor [Member] | Diagnostic Testing [Member]
Disaggregation of Revenue [Line Items]
Revenues, net of contractual allowances and adjustments	960	500
Contract Diagnostic Services [Member] | Service revenue, net [Member]
Disaggregation of Revenue [Line Items]
Revenues, net of contractual allowances and adjustments	1,187	491
Contract Diagnostic Services [Member] | Biomarker Testing and Clinical Project Services [Member]
Disaggregation of Revenue [Line Items]
Revenues, net of contractual allowances and adjustments	$ 1,187	$ 491