Property and Equipment, Net (Tables)

9 Months Ended

Oct. 31, 2013

Property Plant And Equipment [Abstract]

Schedule of Property and Equipment

Property and equipment at October 31, 2013 and January 31, 2013 consisted of the following:

	As of October 31, 2013			As of January 31, 2013
	(in thousands)
Computer equipment and software	$	4,247		$	2,810
Machinery and equipment		2,112			2,050
Furniture and fixtures		413			397
Leasehold improvements		1,195			642
Construction in progress		—			827
		7,967			6,726
Less: accumulated depreciation and amortization		(4,942	)		(4,190	)
Total property and equipment, net	$	3,025		$	2,536