Balance Sheet Account Detail Property Plant and Equipment (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	$ 28,008,000		$ 28,008,000		$ 16,975,000
Accumulated depreciation	(10,606,000)		(10,606,000)		(9,637,000)
Property and equipment, net	17,402,000		17,402,000		7,338,000
Depreciation expense	500,000	700,000	1,000,000	1,100,000
Production equipment, molds, and office furniture
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	8,577,000		8,577,000		8,033,000
Computer hardware and software
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	3,725,000		3,725,000		3,290,000
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	3,055,000		3,055,000		3,058,000
Construction in progress (software and related implementation, production equipment, and leasehold improvements)
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	$ 12,651,000		$ 12,651,000		$ 2,594,000