Business Segments (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) Segment	Dec. 31, 2018 USD ($)
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	$ 31,586	$ 29,855
Cost of revenues	11,316	12,735
Gross profit	$ 20,270	$ 17,120
Gross profit %	64.20%	57.30%
Allocated operating expenses [Abstract]
Engineering and product development	$ 1,002	$ 1,065
Selling and marketing expenses	12,003	10,624
Unallocated operating expenses	10,275	8,786
Total operating expenses	23,280	20,475
Income (loss) from operations	(3,010)	(3,355)
Interest expense, net	(515)	(1,142)
Loss on extinguishment of debt	(414)	0
Other income ,net	0	200
Income (loss) before income taxes	(3,939)	(4,297)
Assets	47,343	47,507
Dermatology Recurring Procedures [Member]
Results of Operations from Business Segments [Abstract]
Revenues	23,713	21,053
Dermatology Procedures Equipment [Member]
Results of Operations from Business Segments [Abstract]
Revenues	7,873	8,802
Operating Segments [Member] | Dermatology Recurring Procedures [Member]
Results of Operations from Business Segments [Abstract]
Revenues	23,713	21,053
Cost of revenues	7,033	7,378
Gross profit	$ 16,680	$ 13,675
Gross profit %	70.30%	65.00%
Allocated operating expenses [Abstract]
Engineering and product development	$ 845	$ 855
Selling and marketing expenses	11,191	9,249
Unallocated operating expenses	0	0
Total operating expenses	12,036	10,104
Income (loss) from operations	4,644	3,571
Interest expense, net	0	0
Loss on extinguishment of debt	0
Other income ,net		0
Income (loss) before income taxes	4,644	3,571
Assets	27,620	26,789
Operating Segments [Member] | Dermatology Procedures Equipment [Member]
Results of Operations from Business Segments [Abstract]
Revenues	7,873	8,802
Cost of revenues	4,283	5,357
Gross profit	$ 3,590	$ 3,445
Gross profit %	45.60%	39.10%
Allocated operating expenses [Abstract]
Engineering and product development	$ 157	$ 210
Selling and marketing expenses	812	1,375
Unallocated operating expenses	0	0
Total operating expenses	969	1,585
Income (loss) from operations	2,621	1,860
Interest expense, net	0	0
Loss on extinguishment of debt	0
Other income ,net		0
Income (loss) before income taxes	2,621	1,860
Assets	3,382	3,476
Other Unallocated Assets [Member]
Allocated operating expenses [Abstract]
Assets	$ 16,341	$ 17,242