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SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE (Tables)

9 Months Ended

Sep. 30, 2025

SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE

Schedule of Net Revenues

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​	​	​	​	​	​	​
​	​	For the Three Months Ended September 30,
(dollars in thousands)	​	Diagnostic Testing
​		2025			2024
Medicaid	​	$	11	​	$	8
Medicare	​		2,788	​		1,819
Self-pay	​		4	​		1
Third party payers	​		3,318	​		2,743
Contract diagnostics and other	​		43	​		28
Service revenue, net	​	$	6,164	​	$	4,599

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​	​	​	​	​	​	​
​	​	For the Nine Months Ended September 30,
(dollars in thousands)	​	Diagnostic Testing
​		2025			2024
Medicaid	​	$	24	​	$	33
Medicare	​		6,977	​		4,435
Self-pay	​		14	​		33
Third party payers	​		8,327	​		6,796
Contract diagnostics and other	​		84	​		32
Service revenue, net	​	$	15,426	​	$	11,329

Schedule of Gross to Net Sales Adjustments

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​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	For the Three Months Ended September 30,
(dollars in thousands)	​	​					​	Contractual Allowances and					​	Revenues, net of Contractual
​	​	Gross Revenues					​	adjustments					​	Allowances and adjustments
​		2025			2024			2025			2024			2025			2024
Medicaid	​	$	11	​	$	8	​	$	—	​	$	—	​	$	11	​	$	8
Medicare	​		2,788	​		1,819	​		—	​		—	​		2,788	​		1,819
Self-pay	​		4	​		1	​		—	​		—	​		4	​		1
Third party payers	​		11,612	​		9,356	​		(8,294)	​		(6,613)	​		3,318	​		2,743
Contract diagnostics and other	​		43	​		28	​		—	​		—	​		43	​		28
​	​		14,458	​		11,212	​		(8,294)	​		(6,613)	​		6,164	​		4,599
Product	​		721	​		681	​		—	​		—	​		721	​		681
​	​	$	15,179	​	$	11,893	​	$	(8,294)	​	$	(6,613)	​	$	6,885	​	$	5,280

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​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	For the Nine Months Ended September 30,
(dollars in thousands)	​	​					​	Contractual Allowances and					​	Revenues, net of Contractual
​	​	Gross Revenues					​	adjustments					​	Allowances and adjustments
​		2025			2024			2025			2024			2025			2024
Medicaid	​	$	24	​	$	33	​	$	—	​	$	—	​	$	24	​	$	33
Medicare	​		6,977	​		4,435	​		—	​		—	​		6,977	​		4,435
Self-pay	​		14	​		33	​		—	​		—	​		14	​		33
Third party payers	​		29,141	​		23,285	​		(20,814)	​		(16,489)	​		8,327	​		6,796
Contract diagnostics and other	​		84	​		32	​		—	​		—	​		84	​		32
​	​		36,240	​		27,818	​		(20,814)	​		(16,489)	​		15,426	​		11,329
Product	​		1,999	​		1,936	​		—	​		—	​		1,999	​		1,936
​	​	$	38,239	​	$	29,754	​	$	(20,814)	​	$	(16,489)	​	$	17,425	​	$	13,265

Schedule of Reported Revenues Net of Collection Allowance

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​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	For the Three Months Ended September 30,
​	​	Revenues, net of					​	​					​
(dollars in thousands)	​	Contractual Allowances					​	Allowances for credit					​
​	​	and adjustments					​	losses					​	Total
​		2025			2024			2025			2024			2025			2024
Medicaid	​	$	11	​	$	8	​	$	(1)	​	$	(3)	​	$	10	​	$	5
Medicare	​		2,788	​		1,819	​		(51)	​		(27)	​		2,737	​		1,792
Self-pay	​		4	​		1	​		—	​		—	​		4	​		1
Third party payers	​		3,318	​		2,743	​		(66)	​		(41)	​		3,252	​		2,702
Contract diagnostics and other	​		43	​		28	​		—	​		—	​		43	​		28
​	​		6,164	​		4,599	​		(118)	​		(71)	​		6,046	​		4,528
Product	​		721	​		681	​		—	​		—	​		721	​		681
​	​	$	6,885	​	$	5,280	​	$	(118)	​	$	(71)	​	$	6,767	​	$	5,209

​

​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	For the Nine Months Ended September 30,
​	​	Revenues, net of					​	​					​
(dollars in thousands)	​	Contractual Allowances					​	Allowances for credit					​
​	​	and adjustments					​	losses					​	Total
​		2025			2024			2025			2024			2025			2024
Medicaid	​	$	24	​	$	33	​	$	32	​	$	(12)	​	$	56	​	$	21
Medicare	​		6,977	​		4,435	​		(42)	​		(66)	​		6,935	​		4,369
Self-pay	​		14	​		33	​		—	​		(3)	​		14	​		30
Third party payers	​		8,327	​		6,796	​		(65)	​		(102)	​		8,262	​		6,694
Contract diagnostics and other	​		84	​		32	​		—	​		—	​		84	​		32
​	​		15,426	​		11,329	​		(75)	​		(183)	​		15,351	​		11,146
Product	​		1,999	​		1,936	​		—	​		—	​		1,999	​		1,936
​	​	$	17,425	​	$	13,265	​	$	(75)	​	$	(183)	​	$	17,350	​	$	13,082

​

Schedule of Receivables

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​	​	​	​	​	​	​
(dollars in thousands)		September 30, 2025			December 31, 2024
Medicaid	​	$	24	​	$	(12)
Medicare	​		1,727	​		1,086
Self-pay	​		11	​		13
Third party payers	​		808	​		530
Contract diagnostic services, product and other	​		437	​		177
​	​	$	3,007	​	$	1,794
Less allowance for credit losses	​		(1,050)	​		(995)
Accounts receivable, net	​	$	1,957	​	$	799

Schedule of Allowance for Doubtful Accounts

The following table presents the roll-forward of the allowance for credit losses for the nine months ended September 30, 2025 and 2024.

​	​	​	​	​	​	​
​		Nine Months Ended September 30,
(dollars in thousands)	​	​	2025	​	2024
Balance, January 1		$	(995)	​	$	(2,572)
Provision for credit losses:		​		​	​
Medicaid	​	​	32	​	​	(12)
Medicare	​		(42)	​		(66)
Self-pay	​	​	—	​	​	(3)
Third party payers	​		(65)	​		(102)
​	​		(75)	​		(183)
Credit loss income (expense)	​	​	20	​	​	—
Total charges	​		(55)	​		(183)
Balance, September 30	​	$	(1,050)	​	$	(2,755)

Schedule of Customer Revenue and Accounts Receivable Concentrations

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Net sales

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Net sales

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Accounts receivable, as of

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Three Months Ended

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Nine Months Ended

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September 30,

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December 31,

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Customer A

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27

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Customer B

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11

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