SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE (Schedule of Gross to Net Sales Adjustments) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Disaggregation of Revenue [Line Items]
Gross revenue	$ 8,175	$ 4,901
Contractual allowance and adjustments	(4,080)	(1,453)
Service revenue, net	4,095	3,448
Medicaid [Member]
Disaggregation of Revenue [Line Items]
Gross revenue	31	86
Contractual allowance and adjustments	(3)	(36)
Service revenue, net	28	50
Medicare [Member]
Disaggregation of Revenue [Line Items]
Gross revenue	1,686	1,019
Contractual allowance and adjustments	(17)	(19)
Service revenue, net	1,669	1,000
Self-Pay [Member]
Disaggregation of Revenue [Line Items]
Gross revenue	34	138
Service revenue, net	34	138
Third Party Payer [Member]
Disaggregation of Revenue [Line Items]
Gross revenue	5,785	2,358
Contractual allowance and adjustments	(4,060)	(1,398)
Service revenue, net	1,725	960
Contract Diagnostic Services [Member]
Disaggregation of Revenue [Line Items]
Gross revenue	595	1,187
Service revenue, net	595	1,187
Service revenue, net [Member]
Disaggregation of Revenue [Line Items]
Gross revenue	8,131	4,788
Contractual allowance and adjustments	(4,080)	(1,453)
Service revenue, net	4,051	3,335
Clinical Research Grants and Other [Member]
Disaggregation of Revenue [Line Items]
Gross revenue	44	113
Service revenue, net	$ 44	$ 113