Segment Reporting - Summary of Segment Performance (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Segment Reporting Information [Line Items]
Net revenue	$ 1,908	$ 2,064	$ 5,809	$ 4,269
Cost of revenue	2,425	1,280	7,100	3,006
Gross (loss) profit	(517)	784	(1,291)	1,263
Vascular [Member]
Segment Reporting Information [Line Items]
Net revenue	226	789	1,121	973
Cost of revenue	920	579	3,510	1,050
Gross (loss) profit	(694)	210	(2,389)	(77)
Dermatology [Member]
Segment Reporting Information [Line Items]
Net revenue	1,682	1,275	4,688	3,296
Cost of revenue	1,505	701	3,590	1,956
Gross (loss) profit	$ 177	$ 574	$ 1,098	$ 1,340

The aggregate cost of goods produced and sold and services rendered during the reporting period.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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