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SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE (Tables)

12 Months Ended

Dec. 31, 2022

SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE [Abstract]

Schedule of Net Revenues

​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	For the Year Ended December 31,
(dollars in thousands)	​	Diagnostic Testing					​	Biomarker Testing					​	Total
​		2022			2021			2022			2021			2022			2021
Medicaid	​	$	50	​	$	43	​	$	—	​	$	—	​	$	50	​	$	43
Medicare	​		3,831	​		3,838	​		—	​		—	​		3,831	​		3,838
Self-pay	​		326	​		234	​		—	​		—	​		326	​		234
Third party payers	​		4,211	​		3,612	​		—	​		—	​		4,211	​		3,612
Contract diagnostics	​		—	​		—	​		—	​		56	​		—	​		56
Service revenue, net	​	$	8,418	​	$	7,727	​	$	—	​	$	56	​	$	8,418	​	$	7,783

Schedule of Gross to Net Sales Adjustments

​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	For the Year Ended December 31,
(dollars in thousands)	​	​					​	Contractual Allowances and					​	Revenues, net of Contractual
​	​	Gross Revenues					​	adjustments					​	Allowances and adjustments
​		2022			2021			2022			2021			2022			2021
Medicaid	​	$	50	​	$	43	​	$	—	​	$	—	​	$	50	​	$	43
Medicare	​		3,831	​		3,838	​		—	​		—	​		3,831	​		3,838
Self-pay	​		326	​		234	​		—	​		—	​		326	​		234
Third party payers	​		14,681	​		12,597	​		(10,470)	​		(8,985)	​		4,211	​		3,612
Contract diagnostics	​		–	​		56	​		—	​		—	​		—	​		56
​	​		18,888	​		16,768	​		(10,470)	​		(8,985)	​		8,418	​		7,783
Other	​		1,402	​		914	​		—	​		—	​		1,402	​		914
​	​	$	20,290	​	$	17,682	​	$	(10,470)	​	$	(8,985)	​	$	9,820	​	$	8,697

Schedule of Reported Revenues Net of Collection Allowance

​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	For the Year Ended December 31,
​	​	Revenues, net of					​	​					​
(dollars in thousands)	​	Contractual Allowances					​	Allowances for doubtful					​
​	​	and adjustments					​	accounts					​	Total
​		2022			2021			2022			2021			2022			2021
Medicaid	​	$	50	​	$	43	​	$	(25)	​	$	(5)	​	$	25	​	$	38
Medicare	​		3,831	​		3,838	​		(110)	​		(58)	​		3,721	​		3,780
Self-pay	​		326	​		234	​		(19)	​		—	​		307	​		234
Third party payers	​		4,211	​		3,612	​		(254)	​		215	​		3,957	​		3,827
Contract diagnostics	​		—	​		56	​		—	​		—	​		—	​		56
​	​		8,418	​		7,783	​		(408)	​		152	​		8,010	​		7,935
Other	​		1,402	​		914	​		—	​		—	​		1,402	​		914
​	​	$	9,820	​	$	8,697	​	$	(408)	​	$	152	​	$	9,412	​	$	8,849

Schedule of Receivables

The following summarizes the mix of receivables as of December 31, 2022 and 2021:

​	​	​	​	​	​	​
(dollars in thousands)		December 31, 2022			December 31, 2021
Medicaid	​	$	34	​	$	45
Medicare	​		1,124	​		727
Self-pay	​		291	​		139
Third party payers	​		1,888	​		2,111
Contract diagnostic services and other	​		53	​		159
​	​	$	3,390	​	$	3,181
Less allowance for doubtful accounts	​		(2,354)	​		(2,484)
Accounts receivable, net	​	$	1,036	​	$	697

Schedule of Allowance for Doubtful Accounts

​

The following table presents the roll-forward of the allowance for doubtful accounts for the year ended December 31, 2022:

​

​	​	​	​	​	​	​
​		​	​		Allowance for
​	​	​	​	​	Doubtful
(dollars in thousands)	​	​	​	​	Accounts
Balance, January 1, 2022		​		​	$	(2,484)
Collection Allowance:		​		​
Medicaid	​	$	(25)	​
Medicare	​		(110)	​
Self-pay	​	​	(19)	​	​	​
Third party payers	​		(254)	​
​	​		(408)	​
Bad debt expense	​	$	2	​
Total charges	​			​		(406)
Other	​	​	​	​	​	536
Balance, December 31, 2022	​			​	$	(2,354)

​

Schedule of Customer Revenue and Accounts Receivable Concentrations

​

​	​	​	​	​	​	​	​	​	​	​
​	​	Net sales			​	​	Accounts receivable, as of			​
​	​	Years Ended			​	​	​			​
​	​	December 31,			​	​	December 31,	​	December 31,	​
​	​	2022	​	2021	​	​	2022	​	2021	​
​	​	​	​	​	​	​	​	​	​	​
Customer A	​	*	​	*	​	​	*	​	21	%
Customer B	​	*	​	*	​	​	*	​	12	%
Customer C	​	*	​	*	​	​	12	%	*	​
​	​	​	​	​	​	​	​	​	​	​
* represents less than 10%	​	​	​	​	​	​	​	​	​	​

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