Balance Sheet Components

12 Months Ended

Dec. 31, 2013

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Balance Sheet Components

5. Balance Sheet Components

Property and equipment, net, consisted of the following:

	Estimated Useful Lives (Years)	December 31,
		2013			2012
		(in thousands)
Machinery and equipment	5–7	$	875		$	2,578
Computers and software	3		863			981
Leasehold improvements	3–10		570			1,057
Furniture and fixtures	3–10		245			159
			2,553			4,775
Accumulated depreciation and amortization			(1,974	)		(4,733	)
		$	579		$	42

Depreciation and amortization of property and equipment was $79,000, $109,000, and $285,000 for the years ended December 31, 2013, 2012, and 2011, respectively. During 2013, the Company retired $2.8 million of fully depreciated property and equipment. During 2012, the Company sold $1.5 million of fully depreciated machinery and equipment for a gain of $252,000.

Accrued expenses consisted of the following:

	December 31,
	2013		2012
	(in thousands)
Accrued research and development services	$	4,207	$	3,216
Accrued compensation and benefits		1,865		413
Accrued professional fees		308		364
Other		172		146
	$	6,552	$	4,139