Balance sheet components

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 and equipment, net

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

Acquired intangible assets and goodwill

Intangible assets and goodwill increased from $17.0 million at December 31, 2014 to $24.9 million at March 31, 2015 due to the acquisition of a development-stage company in March 2015, which was accounted for as a business combination. The intangible assets acquired were recorded as in-process research and development. The acquisition did not have an impact on the Company’s condensed consolidated statements of operations. There were no impairments to intangible assets and goodwill during the three months ended March 31, 2015.