SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE (Schedule of Net Revenues) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	$ 4,095	$ 3,448
Service revenue, net [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	4,051	3,335
Diagnostic Testing [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	3,456	2,148
Biomarker Testing and Clinical Project Services [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	595	1,187
Medicaid [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	28	50
Medicaid [Member] | Diagnostic Testing [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	28	50
Medicare [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	1,669	1,000
Medicare [Member] | Diagnostic Testing [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	1,669	1,000
Self-Pay [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	34	138
Self-Pay [Member] | Diagnostic Testing [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	34	138
Third Party Payer [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	1,725	960
Third Party Payer [Member] | Diagnostic Testing [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	1,725	960
Contract Diagnostic Services [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	595	1,187
Contract Diagnostic Services [Member] | Biomarker Testing and Clinical Project Services [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	$ 595	$ 1,187