Revenue Recognition, Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Disaggregation of Revenue [Abstract]
Revenues, net	$ 6,730	$ 7,483
Dermatology Recurring Procedures [Member]
Disaggregation of Revenue [Abstract]
Revenues, net	5,701	5,312
Dermatology Procedures Equipment [Member]
Disaggregation of Revenue [Abstract]
Revenues, net	1,029	2,171
Domestic [Member]
Disaggregation of Revenue [Abstract]
Revenues, net	5,912	5,636
Domestic [Member] | Dermatology Recurring Procedures [Member]
Disaggregation of Revenue [Abstract]
Revenues, net	5,597	5,312
Domestic [Member] | Dermatology Procedures Equipment [Member]
Disaggregation of Revenue [Abstract]
Revenues, net	315	324
Foreign [Member]
Disaggregation of Revenue [Abstract]
Revenues, net	818	1,847
Foreign [Member] | Dermatology Recurring Procedures [Member]
Disaggregation of Revenue [Abstract]
Revenues, net	104	0
Foreign [Member] | Dermatology Procedures Equipment [Member]
Disaggregation of Revenue [Abstract]
Revenues, net	$ 714	$ 1,847