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SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE (Tables)

3 Months Ended

Mar. 31, 2019

SALES SERVICE REVENUE, NET AND ACCOUNTS RECEIVABLE [Abstract]

Schedule of Net Revenues


		For the Three Months Ended March 31,
(dollars in thousands)		Diagnostic Testing						Biomarker Testing						Total
		2019			2018			2019			2018			2019			2018
Medicaid		$	3		$	12		$	—		$	—		$	3		$	12
Medicare			394			134			—			—			394			134
Self-pay			4			26			—			—			4			26
Third party payers			356			131			—			—			356			131
Contract diagnostics			—			—			153			488			153			488
Service revenue, net		$	757		$	303		$	153		$	488		$	910		$	791

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
		2019			2018			2019			2018			2019			2018
Medicaid		$	3		$	15		$	—		$	(3)		$	3		$	12
Medicare			394			137			—			(3)			394			134
Self-pay			4			26			—			—			4			26
Third party payers			1,017			317			(661)			(186)			356			131
Contract diagnostics			153			488			—			—			153			488
			1,571			983			(661)			(192)			910			791
Clinical research grants and other			7			5			—			—			7			5
		$	1,578		$	988		$	(661)		$	(192)		$	917		$	796

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


		For the Three Months Ended March 31,
		Revenues, net of
(dollars in thousands)		Contractual Allowances						Allowances for doubtful
		and adjustments						accounts						Total
		2019			2018			2019			2018			2019			2018
Medicaid		$	3		$	12		$	(3)		$	(11)		$	—		$	1
Medicare			394			134			(59)			(20)			335			114
Self-pay			4			26			—			—			4			26
Third party payers			356			131			(142)			(53)			214			78
Contract diagnostics			153			488			—			—			153			488
			910			791			(204)			(84)			706			707
Clinical research grants and other			7			5			—			—			7			5
		$	917		$	796		$	(204)		$	(84)		$	713		$	712

Schedule of Receivables


(dollars in thousands)		March 31, 2019			December 31, 2018
Medicaid		$	81		$	82
Medicare			782			633
Self-pay			106			108
Third party payers			1,540			1,382
Contract diagnostic services			204			193
Other			—			—
		$	2,713		$	2,398
Less allowance for doubtful accounts			(1,912)			(1,708)
Accounts receivable, net		$	801		$	690

Schedule of Allowance for Doubtful Accounts


					Allowance for
					Doubtful
(dollars in thousands)					Accounts
Balance, January 1, 2019					$	(1,708)
Collection Allowance:
Medicaid		$	(3)
Medicare			(59)
Third party payers			(142)
Service revenue, net			(204)
Bad debt expense		$	—
Total charges						(204)
Balance, March 31, 2019					$	(1,912)