NET SALES SERVICE REVENUE AND ACCOUNTS RECEIVABLE (Schedule of Gross to Net Sales Adjustments) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Disaggregation of Revenue [Line Items]
Gross revenue	$ 983	$ 505
Other, gross	5
Gross revenue including other	988	505
Contractual allowance	(192)	(202)
Service revenue, net	791	303
Other, net	5
Revenue, net of contractual allowances and adjustments	796	303
Medicaid [Member]
Disaggregation of Revenue [Line Items]
Gross revenue	15	24
Contractual allowance	(3)	(12)
Service revenue, net	12	12
Revenue, net of contractual allowances and adjustments	12	12
Medicare [Member]
Disaggregation of Revenue [Line Items]
Gross revenue	137	166
Contractual allowance	(3)	(8)
Service revenue, net	134	158
Revenue, net of contractual allowances and adjustments	134	158
Self-Pay [Member]
Disaggregation of Revenue [Line Items]
Gross revenue	26	20
Service revenue, net	26	20
Revenue, net of contractual allowances and adjustments	26	20
Third-Party Payor [Member]
Disaggregation of Revenue [Line Items]
Gross revenue	317	295
Contractual allowance	(186)	(182)
Service revenue, net	131	113
Revenue, net of contractual allowances and adjustments	131	113
Contract Diagnostic Services [Member]
Disaggregation of Revenue [Line Items]
Gross revenue	488
Service revenue, net	488
Revenue, net of contractual allowances and adjustments	488
Other [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	$ 5