SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE (Tables)

3 Months Ended

Mar. 31, 2025

SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE [Abstract]

Schedule of Net Revenues

	For the Three Months Ended March 31,
(dollars in thousands)	Diagnostic Testing
	2025		2024
Medicaid	$	5	$	5
Medicare		1,904		1,091
Self-pay		5		18
Third party payers		2,325		1,705
Contract diagnostics and other		18		2
Service revenue, net	$	4,257	$	2,821

Schedule of Gross to Net Sales Adjustments

	For the Three Months Ended March 31,
(dollars in thousands)					Contractual Allowances and				Revenues, net of Contractual
	Gross Revenues				adjustments				Allowances and adjustments
	2025		2024		2025		2024		2025		2024
Medicaid	$	5	$	5	$	—	$	—	$	5	$	5
Medicare		1,904		1,091		—		—		1,904		1,091
Self-pay		5		18		—		—		5		18
Third party payers		8,138		5,968		(5,813)		(4,263)		2,325		1,705
Contract diagnostics and other		18		2		—		—		18		2
		10,070		7,084		(5,813)		(4,263)		4,257		2,821
Product		654		657		—		—		654		657
	$	10,724	$	7,741	$	(5,813)	$	(4,263)	$	4,911	$	3,478

Schedule of Reported Revenues Net of Collection Allowance

	For the Three Months Ended March 31,
	Revenues, net of
(dollars in thousands)	Contractual Allowances				Allowances for credit
	and adjustments				losses				Total
	2025		2024		2025		2024		2025		2024
Medicaid	$	5	$	5	$	18	$	(2)	$	23	$	3
Medicare		1,904		1,091		—		(16)		1,904		1,075
Self-pay		5		18		—		(2)		5		16
Third party payers		2,325		1,705		—		(26)		2,325		1,679
Contract diagnostics and other		18		2		—		—		18		2
		4,257		2,821		18		(46)		4,275		2,775
Product		654		657		—		—		654		657
	$	4,911	$	3,478	$	18	$	(46)	$	4,929	$	3,432

Schedule of Receivables

(dollars in thousands)	March 31, 2025		December 31, 2024
Medicaid	$	5	$	(12)
Medicare		1,291		1,086
Self-pay		15		13
Third party payers		534		530
Contract diagnostic services, product and other		88		177
	$	1,933	$	1,794
Less allowance for credit losses		(957)		(995)
Accounts receivable, net	$	976	$	799

Schedule of Allowance for Doubtful Accounts

The following table presents the roll-forward of the allowance for credit losses for the three months ended March 31, 2025.

	Three Months Ended March 31,
(dollars in thousands)		2025	2024
Balance, January 1	$	(995)	$	(2,572)
Provision for credit losses:
Medicaid		18		(2)
Medicare		—		(16)
Self-pay		—		(2)
Third party payers		—		(26)
		18		(46)
Credit loss income (expense)		20		(37)
Total charges		38		(83)
Balance, December 31	$	(957)	$	(2,655)

Schedule of Customer Revenue and Accounts Receivable Concentrations

	Net sales				Accounts receivable, as of
	Three Months Ended
	March 31,				March 31,		December 31,
	2025		2024		2025		2024
Customer A	*		11	%	*		*
Customer B	*		10	%	*		*
Customer C	26	%	*		34	%	29	%
* represents less than 10%