Balance Sheet Account Detail (Property and Equipment) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	$ 34,838	$ 37,693
Accumulated depreciation	(11,483)	(11,997)
Property and equipment, net	23,355	25,696
Depreciation expense	4,600	2,700	$ 2,100
Production equipment, molds, and office furniture
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	13,603	12,943
Computer hardware and software
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	6,380	6,457
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	14,345	15,729
Construction in progress (software and related implementation, production equipment, and leasehold improvements)
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	$ 510	$ 2,564