Balance sheet components (Tables)

3 Months Ended

Mar. 31, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Inventory

Inventory consisted of the following:

(in thousands)	March 31, 2015		December 31, 2014
Components	$	3,301	$	4,324
Finished goods	160,743		148,702
Total inventory	$	164,044	$	153,026

Property, Plant and Equipment

Property and equipment, net consisted of the following:

(in thousands)	Useful life (in years)	March 31, 2015		December 31, 2014
Leasehold improvements	3–7	$	23,037	$	22,787
Computers, software, equipment and furniture	2–4	27,420		24,636
Tooling	1–4	17,639		16,159
Construction in progress		6,037		3,944
Tradeshow equipment and other	2-5	3,864		3,830
Gross property and equipment		77,997		71,356
Less: Accumulated depreciation and amortization		(34,107)		(29,800)
Property and equipment, net		$	43,890	$	41,556