SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE (Tables)

12 Months Ended

Dec. 31, 2018

SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE [Abstract]

Schedule of Net Revenues

Service revenue, net for the years ended December 31, 2018 and 2017 was as follows (prior-period amounts are not adjusted under the modified-retrospective method of adoption):

	For the Year Ended December 31,
(dollars in thousands)	Diagnostic Testing				Biomarker Testing				Total
	2018		2017		2018		2017		2018		2017
Medicaid	$	50	$	39	$	—	$	—	$	50	$	39
Medicare		1,000		569		—		—		1,000		569
Self-pay		138		103		—		—		138		103
Third party payers		960		500		—		—		960		500
Contract diagnostics		—		—		1,187		491		1,187		491
Revenues, net of contractual allowances	$	2,148	$	1,211	$	1,187	$	491	$	3,335	$	1,702

Schedule of Gross to Net Sales Adjustments

The following table presents our revenues initially recognized for each associated payer class during the year ended December 31, 2018 and 2017.

(dollars in thousands)	For the Year Ended December 31,
					Contractual Allowances and				Revenues, net of Contractual
	Gross Revenues				adjustments				Allowances and adjustments
	2018		2017		2018		2017		2018		2017
Medicaid	$	86	$	87	$	(36)	$	(48)	$	50	$	39
Medicare		1,019		546		(19)		23		1,000		569
Self-pay		138		131		—		(28)		138		103
Third party payers		2,358		1,310		(1,398)		(810)		960		500
Contract diagnostics		1,187		491		—		—		1,187		491
		4,788		2,565		(1,453)		(863)		3,335		1,702
Clinical research grants and other		113		331		—		—		113		331
	$	4,901	$	2,896	$	(1,453)	$	(863)	$	3,448	$	2,033

Schedule of Reported Revenues Net of Collection Allowance

The following table presents our reported revenues net of the collection allowance and adjustments for the year ended December 31, 2018 and 2017.

	For the Year Ended December 31,
	Revenues, net of
(dollars in thousands)	Contractual Allowances				Allowances for doubtful
	and adjustments				accounts				Total
	2018		2017		2018		2017		2018		2017
Medicaid	$	50	$	39	$	(50)	$	(17)	$	—	$	22
Medicare		1,000		569		(150)		(182)		850		387
Self-pay		138		103		—		(31)		138		72
Third party payers		960		500		(384)		(85)		576		415
Contract diagnostics		1,187		491		—		—		1,187		491
		3,335		1,702		(584)		(315)		2,751		1,387
Clinical research grants and other		113		331		—		5		113		336
	$	3,448	$	2,033	$	(584)	$	(310)	$	2,864	$	1,723

Schedule of Receivables

The following summarizes the mix of receivables for the years ended December 31, 2018 and 2017:

	2018		2017
Medicaid	$	82	$	37
Medicare		633		256
Self-pay		108		53
Third party payers		1,382		1,066
Contract diagnostic services		193		445
Other		—		—
	$	2,398	$	1,857
Less allowance for doubtful accounts		(1,708)		(1,127)
Accounts receivable, net	$	690	$	730

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, 2018:

			Allowance for
			Doubtful
(dollars in thousands)			Accounts
Balance, January 1, 2018			$	(1,127)
Collection Allowance:
Medicaid	$	(50)
Medicare		(150)
Third party payers		(384)
Service revenue, net		(584)
Bad debt expense	$	3
Total charges				(581)
Balance, December 31, 2018			$	(1,708)