Balance Sheet Components Property, Plant and Equipment (Details) (USD $) In Thousands, unless otherwise specified													6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Leasehold Improvements [Member]	Dec. 31, 2013 Leasehold Improvements [Member]	Jun. 30, 2014 3570 Computer and office Equipment [Member]	Dec. 31, 2013 3570 Computer and office Equipment [Member]	Jun. 30, 2014 Tools, Dies and Molds [Member]	Dec. 31, 2013 Tools, Dies and Molds [Member]	Jun. 30, 2014 Tradeshow Equipment [Member]	Dec. 31, 2013 Tradeshow Equipment [Member]	Jun. 30, 2014 Construction in Progress [Member]	Dec. 31, 2013 Construction in Progress [Member]	Jun. 30, 2014 Minimum [Member] Leasehold Improvements [Member]	Jun. 30, 2014 Minimum [Member] 3570 Computer and office Equipment [Member]	Jun. 30, 2014 Minimum [Member] Tools, Dies and Molds [Member]	Jun. 30, 2014 Minimum [Member] Tradeshow Equipment [Member]	Jun. 30, 2014 Minimum [Member] Automobiles [Member]	Jun. 30, 2014 Maximum [Member] Leasehold Improvements [Member]	Jun. 30, 2014 Maximum [Member] 3570 Computer and office Equipment [Member]	Jun. 30, 2014 Maximum [Member] Tools, Dies and Molds [Member]	Jun. 30, 2014 Maximum [Member] Tradeshow Equipment [Member]	Jun. 30, 2014 Maximum [Member] Automobiles [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life													3 years	2 years	1 year	2 years		7 years	7 years	4 years	5 years
Property, Plant and Equipment, Gross	$ 59,670	$ 46,518	$ 22,247	$ 20,111	$ 19,697	$ 11,988	$ 11,317	$ 8,799	$ 3,759	$ 3,469	$ 2,650	$ 2,151
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(20,731)	(14,407)
Property and equipment, net	$ 38,939	$ 32,111