Revenue, Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Disaggregation of Revenue [Abstract]
Revenues, net	$ 7,480	$ 7,729	$ 22,688	$ 21,856
Dermatology Recurring Procedures [Member]
Disaggregation of Revenue [Abstract]
Revenues, net	5,991	5,393	17,142	15,186
Dermatology Procedures Equipment [Member]
Disaggregation of Revenue [Abstract]
Revenues, net	1,489	2,366	5,546	6,670
Domestic [Member]
Disaggregation of Revenue [Abstract]
Revenues, net	6,232	5,759	18,085	16,523
Domestic [Member] | Dermatology Recurring Procedures [Member]
Disaggregation of Revenue [Abstract]
Revenues, net	5,991	5,393	17,142	15,186
Domestic [Member] | Dermatology Procedures Equipment [Member]
Disaggregation of Revenue [Abstract]
Revenues, net	241	366	943	1,337
Foreign [Member]
Disaggregation of Revenue [Abstract]
Revenues, net	1,248	1,970	4,603	5,333
Foreign [Member] | Dermatology Recurring Procedures [Member]
Disaggregation of Revenue [Abstract]
Revenues, net	0	0	0	0
Foreign [Member] | Dermatology Procedures Equipment [Member]
Disaggregation of Revenue [Abstract]
Revenues, net	$ 1,248	$ 1,970	$ 4,603	$ 5,333