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SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE (Tables)

9 Months Ended

Sep. 30, 2020

SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE [Abstract]

Schedule of Net Revenues

		For the Three Months Ended September 30,
(dollars in thousands)		Diagnostic Testing						Biomarker Testing						Total
		2020			2019			2020			2019			2020			2019
Medicaid		$	15		$	10		$	—		$	—		$	15		$	10
Medicare			811			373			—			—			811			373
Self-pay			196			5			—			—			196			5
Third party payers			950			490			—			—			950			490
Contract diagnostics			—			—			26			142			26			142
Service revenue, net		$	1,972		$	878		$	26		$	142		$	1,998		$	1,020

		For the Nine Months Ended September 30,
(dollars in thousands)		Diagnostic Testing						Biomarker Testing						Total
		2020			2019			2020			2019			2020			2019
Medicaid		$	40		$	22		$	—		$	—		$	40		$	22
Medicare			1,979			1,217			—			—			1,979			1,217
Self-pay			332			20			—			—			332			20
Third party payers			2,313			1,297			—			—			2,313			1,297
Contract diagnostics			—			—			408			569			408			569
Service revenue, net		$	4,664		$	2,556		$	408		$	569		$	5,072		$	3,125

Schedule of Gross to Net Sales Adjustments

The following table presents our revenues initially recognized for each associated payer class during the three and nine months ended September 30, 2020 and 2019.

		For the Three Months Ended September 30,
(dollars in thousands)								Contractual Allowances and						Revenues, net of Contractual
		Gross Revenues						adjustments						Allowances and adjustments
		2020			2019			2020			2019			2020			2019
Medicaid		$	15		$	10		$	—		$	—		$	15		$	10
Medicare			811			373			—			—			811			373
Self-pay			196			5			—			—			196			5
Third party payers			3,188			1,701			(2,238)			(1,211)			950			490
Contract diagnostics			26			142			—			—			26			142
			4,236			2,231			(2,238)			(1,211)			1,998			1,020
Clinical research grants and other			51			26			—			—			51			26
		$	4,287		$	2,257		$	(2,238)		$	(1,211)		$	2,049		$	1,046

(dollars in thousands)		For the Nine Months Ended September 30,
								Contractual Allowances and						Revenues, net of Contractual
		Gross Revenues						adjustments						Allowances and adjustments
		2020			2019			2020			2019			2020			2019
Medicaid		$	40		$	25		$	—		$	(3)		$	40		$	22
Medicare			1,979			1,234			—			(17)			1,979			1,217
Self-pay			335			20			(3)			—			332			20
Third party payers			7,944			4,289			(5,631)			(2,992)			2,313			1,297
Contract diagnostics			408			569			—			—			408			569
			10,706			6,137			(5,634)			(3,012)			5,072			3,125
Clinical research grants and other			104			37			—			—			104			37
		$	10,810		$	6,174		$	(5,634)		$	(3,012)		$	5,176		$	3,162

Schedule of Reported Revenues Net of Collection Allowance [Table Text Block]

		For the Three Months Ended September 30,
		Revenues, net of
(dollars in thousands)		Contractual Allowances						Allowances for doubtful
		and adjustments						accounts						Total
		2020			2019			2020			2019			2020			2019
Medicaid		$	15		$	10		$	(15)		$	(10)		$	—		$	—
Medicare			811			373			(121)			(56)			690			317
Self-pay			196			5			—			—			196			5
Third party payers			950			490			(286)			(196)			664			294
Contract diagnostics			26			142			—			—			26			142
			1,998			1,020			(422)			(262)			1,576			758
Clinical research grants and other			51			26			—			—			51			26
		$	2,049		$	1,046		$	(422)		$	(262)		$	1,627		$	784

		For the Nine Months Ended September 30,
		Revenues, net of
(dollars in thousands)		Contractual Allowances						Allowances for doubtful
		and adjustments						accounts						Total
		2020			2019			2020			2019			2020			2019
Medicaid		$	40		$	22		$	(40)		$	(22)		$	—		$	—
Medicare			1,979			1,217			(296)			(183)			1,683			1,034
Self-pay			332			20			—			—			332			20
Third party payers			2,313			1,297			(689)			(518)			1,624			779
Contract diagnostics			408			569			—			—			408			569
			5,072			3,125			(1,025)			(723)			4,047			2,402
Clinical research grants and other			104			37			—			—			104			37
		$	5,176		$	3,162		$	(1,025)		$	(723)		$	4,151		$	2,439

Schedule of Receivables

(dollars in thousands)		September 30, 2020			December 31, 2019
Medicaid		$	132		$	107
Medicare			1,002			814
Self-pay			403			88
Third party payers			3,211			2,203
Contract diagnostic services			37			36
		$	4,785		$	3,248
Less allowance for doubtful accounts			(3,699)			(2,674)
Accounts receivable, net		$	1,086		$	574

Schedule of Allowance for Doubtful Accounts

					Allowance for
					Doubtful
(dollars in thousands)					Accounts
Balance, January 1, 2020					$	(2,674)
Collection Allowance:
Medicaid		$	(40)
Medicare			(296)
Third party payers			(689)
			(1,025)
Bad debt expense		$	—
Total charges						(1,025)
Balance, September 30, 2020					$	(3,699)

Schedule of Customer Revenue and Accounts Receivable Concentrations

		Net sales										Accounts receivable, as of
		Three Months Ended					Nine Months Ended
		September 30,					September 30,					September 30,		December 31,
		2020		2019			2020		2019			2020		2019
Customer A		*		18	%		*		23	%		*		*
Customer B		*		11	%		*		*			*		17	%
Customer C		*		*			*		*			10	%	12	%
Customer D		*		*			*		*			10	%	*
* represents less than 10%

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