Business Segments (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($) Segment	Mar. 31, 2019 USD ($)
Segment Reporting, Disclosure of Other Information about Entity's Reportable Segments [Abstract]
Number of operating segments | Segment	2
Results of Operations from Business Segments [Abstract]
Revenues	$ 6,730	$ 7,483
Cost of revenues	2,331	2,874
Gross profit	$ 4,399	$ 4,609
Gross profit %	65.40%	61.60%
Allocated operating expenses [Abstract]
Engineering and product development	$ 292	$ 304
Selling and marketing	2,953	3,066
Unallocated operating expenses	2,102	2,480
Total operating expenses	5,347	5,850
Loss from operations	(948)	(1,241)
Interest income (expense), net	1	(135)
Loss before income taxes	(947)	(1,376)
Dermatology Recurring Procedures [Member]
Results of Operations from Business Segments [Abstract]
Revenues	5,701	5,312
Dermatology Procedures Equipment [Member]
Results of Operations from Business Segments [Abstract]
Revenues	1,029	2,171
Operating Segments [Member] | Dermatology Recurring Procedures [Member]
Results of Operations from Business Segments [Abstract]
Revenues	5,701	5,312
Cost of revenues	1,802	1,793
Gross profit	$ 3,899	$ 3,519
Gross profit %	68.40%	66.20%
Allocated operating expenses [Abstract]
Engineering and product development	$ 274	$ 242
Selling and marketing	2,797	2,768
Unallocated operating expenses	0	0
Total operating expenses	3,071	3,010
Loss from operations	828	509
Interest income (expense), net	0	0
Loss before income taxes	828	509
Operating Segments [Member] | Dermatology Procedures Equipment [Member]
Results of Operations from Business Segments [Abstract]
Revenues	1,029	2,171
Cost of revenues	529	1,081
Gross profit	$ 500	$ 1,090
Gross profit %	48.60%	50.20%
Allocated operating expenses [Abstract]
Engineering and product development	$ 18	$ 62
Selling and marketing	156	298
Unallocated operating expenses	0	0
Total operating expenses	174	360
Loss from operations	326	730
Interest income (expense), net	0	0
Loss before income taxes	$ 326	$ 730