Property and Equipment, net (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2015	Dec. 31, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Property and equipment, gross		$ 17,008	$ 20,012
Accumulated depreciation and amortization		(6,828)	(6,161)
Property and equipment, net		10,180	13,851
Depreciation and related amortization expense		4,551	3,141
Impairment of long-lived assets	$ 920	0	920
Net book value written off		124	0
Irvington New York facility [Member]
Property, Plant and Equipment [Line Items]
Amount of disposed of leasehold improvements, machinery and equipment and furniture and fixtures		3,933
Amount of accumulated depreciation and amortization		(3,809)
Lasers Placed-In-Service [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross		16,712	15,783
Equipment, Computer Hardware and Software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross		160	1,219
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross		111	2,080
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross		$ 25	$ 931