Accrued Liabilities (Tables)

3 Months Ended

Apr. 30, 2014

Payables And Accruals [Abstract]

Schedule of Accrued Liabilities

Accrued liabilities at April 30, 2014 and January 31, 2014 consisted of the following:

	As of
	April 30, 2014		January 31, 2014
	(in thousands)
Accrued employee compensation	$	4,945	$	8,049
Refundable exercised unvested options		34		59
Accrued warranty		248		269
Accrued rebates		370		270
Accrued product development costs		2,597		1,904
Other accrued liabilities		1,140		1,154
Total accrued liabilities	$	9,334	$	11,705