Business Segments (Details) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Jun. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)	Jun. 30, 2023 USD ($) Segment	Jun. 30, 2022 USD ($)
Business Segments [Abstract]
Number of operating segments | Segment					2
Results of Operations from Business Segments [Abstract]
Revenues, net	$ 8,250		$ 9,105		$ 15,817	$ 16,146
Cost of revenues	3,932		4,112		7,111	7,025
Gross profit	$ 4,318		$ 4,993		$ 8,706	$ 9,121
Gross profit %	52.30%		54.80%		55.00%	56.50%
Allocated expenses [Abstract]
Engineering and product development	$ 374		$ 209		$ 689	$ 372
Selling and marketing	3,416		4,146		7,158	7,762
Unallocated expenses	2,490		2,332		5,407	4,984
Total operating expenses	6,280		6,687		13,254	13,118
Loss from operations	(1,962)		(1,694)		(4,548)	(3,997)
Loss on debt extinguishment	(909)		0		(909)	0
Interest expense	(298)		(208)		(584)	(407)
Interest income	21		10		58	10
Net loss	(3,148)	$ (2,835)	(1,892)	$ (2,502)	(5,983)	(4,394)
Depreciation and Amortization by Reportable Segment [Abstract]
Depreciation and amortization	1,428		1,339		2,825	2,660
Disaggregation of Revenue by Geographical Region [Abstract]
Revenues, net	8,250		9,105		15,817	16,146
Domestic [Member]
Results of Operations from Business Segments [Abstract]
Revenues, net	6,067		5,724		11,410	11,108
Disaggregation of Revenue by Geographical Region [Abstract]
Revenues, net	6,067		5,724		11,410	11,108
Foreign [Member]
Results of Operations from Business Segments [Abstract]
Revenues, net	2,183		3,381		4,407	5,038
Disaggregation of Revenue by Geographical Region [Abstract]
Revenues, net	2,183		3,381		4,407	5,038
Operating Segments [Member] | Dermatology Recurring Procedures [Member]
Results of Operations from Business Segments [Abstract]
Revenues, net	5,456		5,582		10,665	10,649
Cost of revenues	2,205		2,298		4,225	4,330
Gross profit	$ 3,251		$ 3,284		$ 6,440	$ 6,319
Gross profit %	59.60%		58.80%		60.40%	59.30%
Allocated expenses [Abstract]
Engineering and product development	$ 289		$ 133		$ 534	$ 259
Selling and marketing	2,850		3,629		6,203	6,929
Unallocated expenses	0		0		0	0
Total operating expenses	3,139		3,762		6,737	7,188
Loss from operations	112		(478)		(297)	(869)
Loss on debt extinguishment	0				0
Interest expense	0		0		0	0
Interest income	0		0		0	0
Net loss	112		(478)		(297)	(869)
Depreciation and Amortization by Reportable Segment [Abstract]
Depreciation and amortization	1,238		1,059		2,451	2,211
Disaggregation of Revenue by Geographical Region [Abstract]
Revenues, net	5,456		5,582		10,665	10,649
Operating Segments [Member] | Dermatology Procedures Equipment [Member]
Results of Operations from Business Segments [Abstract]
Revenues, net	2,794		3,523		5,152	5,497
Cost of revenues	1,727		1,814		2,886	2,695
Gross profit	$ 1,067		$ 1,709		$ 2,266	$ 2,802
Gross profit %	38.20%		48.50%		44.00%	51.00%
Allocated expenses [Abstract]
Engineering and product development	$ 85		$ 76		$ 155	$ 113
Selling and marketing	566		517		955	833
Unallocated expenses	0		0		0	0
Total operating expenses	651		593		1,110	946
Loss from operations	416		1,116		1,156	1,856
Loss on debt extinguishment	0				0
Interest expense	0		0		0	0
Interest income	0		0		0	0
Net loss	416		1,116		1,156	1,856
Depreciation and Amortization by Reportable Segment [Abstract]
Depreciation and amortization	187		277		367	442
Disaggregation of Revenue by Geographical Region [Abstract]
Revenues, net	2,794		3,523		5,152	5,497
Operating Segments [Member] | Domestic [Member] | Dermatology Recurring Procedures [Member]
Results of Operations from Business Segments [Abstract]
Revenues, net	5,141		5,177		9,988	9,866
Disaggregation of Revenue by Geographical Region [Abstract]
Revenues, net	5,141		5,177		9,988	9,866
Operating Segments [Member] | Domestic [Member] | Dermatology Procedures Equipment [Member]
Results of Operations from Business Segments [Abstract]
Revenues, net	926		547		1,422	1,242
Disaggregation of Revenue by Geographical Region [Abstract]
Revenues, net	926		547		1,422	1,242
Operating Segments [Member] | Foreign [Member] | Dermatology Recurring Procedures [Member]
Results of Operations from Business Segments [Abstract]
Revenues, net	315		405		677	783
Disaggregation of Revenue by Geographical Region [Abstract]
Revenues, net	315		405		677	783
Operating Segments [Member] | Foreign [Member] | Dermatology Procedures Equipment [Member]
Results of Operations from Business Segments [Abstract]
Revenues, net	1,868		2,976		3,730	4,255
Disaggregation of Revenue by Geographical Region [Abstract]
Revenues, net	1,868		2,976		3,730	4,255
Unallocated [Member]
Depreciation and Amortization by Reportable Segment [Abstract]
Depreciation and amortization	$ 3		$ 3		$ 7	$ 7