Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 25,984	$ 36,126
Less accumulated depreciation and amortization	(12,540)	(18,371)
Property and equipment, net	13,444	17,755
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 2,163	3,634
Computer equipment and software | Minimum
Property, Plant and Equipment [Line Items]
Useful Lives	2 years
Computer equipment and software | Maximum
Property, Plant and Equipment [Line Items]
Useful Lives	5 years
Equipment and molds
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 12,395	16,609
Equipment and molds | Minimum
Property, Plant and Equipment [Line Items]
Useful Lives	2 years
Equipment and molds | Maximum
Property, Plant and Equipment [Line Items]
Useful Lives	10 years
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 1,824	3,409
Furniture and fixtures | Minimum
Property, Plant and Equipment [Line Items]
Useful Lives	1 year
Furniture and fixtures | Maximum
Property, Plant and Equipment [Line Items]
Useful Lives	7 years
Automobiles
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 126	230
Useful Lives	5 years
Building and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 3,332	2,270
Useful Lives	40 years
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 325	325
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 5,819	$ 9,649
Leasehold improvements | Minimum
Property, Plant and Equipment [Line Items]
Useful Lives	1 year
Leasehold improvements | Maximum
Property, Plant and Equipment [Line Items]
Useful Lives	5 years