3. Composition of Certain Balance Sheet Components

Property and equipment, net, consist of the following (in thousands):

	September 30,			December 31,
	2011			2010
Computer and office equipment (useful lives of 2 to 4 years)	$	6,083		$	5,685
Distribution equipment (useful live of 5 years)		5,087			3,911
Furniture and fixtures (useful lives of 2 to 4 years)		240			226
Leasehold improvements (useful lives of lesser of estimated life or lease term)		346			207
Software (useful lives of 2 to 5 years)		601			579
Total property and equipment		12,357			10,608
Less: Accumulated depreciation and amortization		(6,905	)		(5,494	)
Property and equipment, net	$	5,452		$	5,114

Other long-term assets consist of the following (in thousands):

Accrued liabilities and other consist of the following (in thousands):

	September 30,		December 31,
	2011		2010
Accrued employee compensation and benefits	$	2,081	$	2,252
Other accrued liabilities		441		1,339
Accrued liabilities and other	$	2,522	$	3,591