Goodwill (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($)
Goodwill [Roll Forward]
Balance at beginning of period	$ 8,928
Return of purchase price from escrow	(125)
Balance at end of period	8,803
Accumulated impairment losses of goodwill	0
Dermatology Recurring Procedures [Member]
Goodwill [Roll Forward]
Balance at end of period	7,958
Dermatology Procedures Equipment [Member]
Goodwill [Roll Forward]
Balance at end of period	$ 845