CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenue, net of contractual allowances and adjustments	$ 1,046	$ 823	$ 3,162	$ 2,578
less allowance for doubtful accounts	(262)	(173)	(723)	(399)
Net sales	784	650	2,439	2,179
Total cost of sales	756	661	2,201	1,991
Gross profit	28	(11)	238	188
OPERATING EXPENSES:
Operating expenses	2,391	2,831	6,955	7,367
Impairment of goodwill		1,275		1,569
TOTAL OPERATING EXPENSES	2,391	4,106	6,955	8,936
OPERATING LOSS	(2,363)	(4,117)	(6,717)	(8,748)
OTHER INCOME (EXPENSE):
Interest expense, net	(97)	(120)	(298)	(176)
Warrant revaluation	563	176	(19)	760
Loss on modification of warrants		(143)	(1,128)	(143)
Derivative revaluation		117	(415)	116
Gain on settlement of liability, net		66	1,251	213
Gain (loss) on extinguishment of debt		284		284
Loss on litigation			(266)
Loss on issuance of convertible notes		(112)	(1,870)	(1,040)
Loss on settlement of equity instruments				(385)
Other Income (Expense)	466	268	(2,745)	(371)
LOSS BEFORE INCOME TAXES	(1,897)	(3,849)	(9,462)	(9,119)
NET LOSS	(1,897)	(3,849)	(9,462)	(9,119)
Deemed dividends related to beneficial conversion feature of preferred stock and fair value of consideration issued to induce conversion of preferred stock				(3,848)
TOTAL DIVIDENDS				(3,848)
NET LOSS AVAILABLE TO COMMON STOCKHOLDERS	$ (1,897)	$ (3,849)	$ (9,462)	$ (12,967)
BASIC AND DILUTED LOSS PER COMMON SHARE (IN DOLLARS PER SHARE)	$ (0.31)	$ (2.49)	$ (1.85)	$ (10.30)
BASIC AND DILUTED WEIGHTED-AVERAGE SHARES OF COMMON STOCK OUTSTANDING (IN SHARES)	6,186,119	1,546,814	5,104,397	1,258,507
Service revenue, net [Member]
Revenue, net of contractual allowances and adjustments	$ 1,020	$ 808	$ 3,125	$ 2,498
less allowance for doubtful accounts	(262)	(173)	(723)	(399)
Net sales	758	635	2,402	2,099
Total cost of sales	756	653	2,201	1,926
Clinical research grants [Member]
Revenue, net of contractual allowances and adjustments		13		75
Total cost of sales		8		65
Other [Member]
Revenue, net of contractual allowances and adjustments	$ 26	$ 2	$ 37	$ 5