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NET SALES SERVICE REVENUE AND ACCOUNTS RECEIVABLE (Schedule of Sales) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Service revenue $ 2,565 $ 3,385
Less: contractual allowances and adjustments (863) (1,284)
Service revenue, net 1,702 2,101
Medicaid [Member]    
Service revenue, net 39 25
Medicare [Member]    
Service revenue, net 569 688
Self-Pay [Member]    
Service revenue, net 103 253
Third party payers [Member]    
Service revenue, net 500 $ 1,135
Contract diagnostic services [Member]    
Service revenue, net $ 491