SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE (Schedule of Sales, Net of Collection Allowance) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	$ 4,507	$ 3,645	$ 7,985	$ 6,474
Allowance for credit losses	(66)	(112)	(112)	(124)
Net sales	4,441	3,533	7,873	6,350
Medicaid [Member]
Disaggregation of Revenue [Line Items]
Allowance for credit losses			(9)
Medicare [Member]
Disaggregation of Revenue [Line Items]
Allowance for credit losses			(39)
Third-Party Payers [Member]
Disaggregation of Revenue [Line Items]
Allowance for credit losses			(61)
Service revenue, net [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	3,909	2,768	6,730	4,836
Allowance for credit losses	(66)	(112)	(112)	(124)
Net sales	3,843	2,656	6,618	4,712
Service revenue, net [Member] | Medicaid [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	20	5	25	13
Allowance for credit losses	(7)	(2)	(9)	(6)
Net sales	13	3	16	7
Service revenue, net [Member] | Medicare [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	1,525	1,165	2,616	2,045
Allowance for credit losses	(23)	(23)	(39)	(23)
Net sales	1,502	1,142	2,577	2,022
Service revenue, net [Member] | Self-Pay
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	14	36	32	116
Allowance for credit losses	(1)	(4)	(3)	(12)
Net sales	13	32	29	104
Service revenue, net [Member] | Third-Party Payers [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	2,348	1,562	4,053	2,662
Allowance for credit losses	(35)	(83)	(61)	(83)
Net sales	2,313	1,479	3,992	2,579
Service revenue, net [Member] | Contract Diagnostic Services [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	2		4
Net sales	2		4
Product [Member]
Disaggregation of Revenue [Line Items]
Revenue, net of contractual allowances and adjustments	598	877	1,255	1,638
Net sales	$ 598	$ 877	$ 1,255	$ 1,638