Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of identifiable intangible assets

Identifiable intangible assets are as follows (in thousands), as of December 31, 2012 and June 30, 2013:

	Estimated Useful  Life	Gross		Accumulated Amortization			Net
RaidCore technology	4 years	$	4,256	$	(4,256	)	$	—
Total intangible assets		$	4,256	$	(4,256	)	$	—