SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE (Tables)

3 Months Ended

Mar. 31, 2023

SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE [Abstract]

Schedule of Net Revenues

	For the Three Months Ended March 31,
(dollars in thousands)	Diagnostic Testing
	2023		2022
Medicaid	$	8	$	15
Medicare		880		974
Self-pay		80		49
Third party payers		1,100		967
Service revenue, net	$	2,068	$	2,005

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
	2023		2022		2023		2022		2023		2022
Medicaid	$	8	$	15	$	—	$	—	$	8	$	15
Medicare		880		974		—		—		880		974
Self-pay		80		49		—		—		80		49
Third party payers		3,835		3,385		(2,735)		(2,418)		1,100		967
		4,803		4,423		(2,735)		(2,418)		2,068		2,005
Other		761		522		—		—		761		522
	$	5,564	$	4,945	$	(2,735)	$	(2,418)	$	2,829	$	2,527

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 doubtful
	and adjustments				accounts				Total
	2023		2022		2023		2022		2023		2022
Medicaid	$	8	$	15	$	(4)	$	(7)	$	4	$	8
Medicare		880		974		—		(24)		880		950
Self-pay		80		49		(8)		—		72		49
Third party payers		1,100		967		—		(49)		1,100		918
		2,068		2,005		(12)		(80)		2,056		1,925
Other		761		522		—		—		761		522
	$	2,829	$	2,527	$	(12)	$	(80)	$	2,817	$	2,447

Schedule of Receivables

(dollars in thousands)	March 31, 2023		December 31, 2022
Medicaid	$	31	$	34
Medicare		1,080		1,124
Self-pay		252		291
Third party payers		1,446		1,888
Contract diagnostic services and other		415		53
	$	3,224	$	3,390
Less allowance for doubtful accounts		(2,366)		(2,354)
Accounts receivable, net	$	858	$	1,036

Schedule of Allowance for Doubtful Accounts

The following table presents the roll-forward of the allowance for doubtful accounts for the three months ended March 31, 2023.

			Allowance for
			Doubtful
(dollars in thousands)			Accounts
Balance, January 1, 2023			$	(2,354)
Collection Allowance:
Medicaid	$	(4)
Medicare		—
Self-pay		(8)
Third party payers		—
		(12)
Bad debt expense	$	—
Total charges				(12)
Balance, March 31, 2023			$	(2,366)

Schedule of Customer Revenue and Accounts Receivable Concentrations

	Net sales				Accounts receivable, as of
	Three Months Ended
	March 31,				March 31,		December 31,
	2023		2022		2023		2022
Customer A	18	%	*		31	%	*
Customer B	*		10	%	*		*
Customer C	*		*		*		12	%
Customer D	*		*		12	%	*
* represents less than 10%