Revenue Recognition, Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Disaggregation of Revenue [Abstract]
Revenues, net	$ 5,827	$ 6,730
Dermatology Recurring Procedures [Member]
Disaggregation of Revenue [Abstract]
Revenues, net	4,679	5,701
Dermatology Procedures Equipment [Member]
Disaggregation of Revenue [Abstract]
Revenues, net	1,148	1,029
Domestic [Member]
Disaggregation of Revenue [Abstract]
Revenues, net	4,684	5,912
Domestic [Member] | Dermatology Recurring Procedures [Member]
Disaggregation of Revenue [Abstract]
Revenues, net	4,426	5,597
Domestic [Member] | Dermatology Procedures Equipment [Member]
Disaggregation of Revenue [Abstract]
Revenues, net	258	315
Foreign [Member]
Disaggregation of Revenue [Abstract]
Revenues, net	1,143	818
Foreign [Member] | Dermatology Recurring Procedures [Member]
Disaggregation of Revenue [Abstract]
Revenues, net	253	104
Foreign [Member] | Dermatology Procedures Equipment [Member]
Disaggregation of Revenue [Abstract]
Revenues, net	$ 890	$ 714