Accrued Liabilities (Tables)

3 Months Ended

Apr. 30, 2015

Payables And Accruals [Abstract]

Schedule of Accrued Liabilities

Accrued liabilities at April 30, 2015 and January 31, 2015 consisted of the following:

	As of
	April 30, 2015		January31,2015
	(in thousands)
Accrued employee compensation	$	5,709	$	11,318
Accrued warranty		201		203
Accrued rebates		515		254
Accrued product development costs		7,200		5,004
Other accrued liabilities		1,718		1,920
Total accrued liabilities	$	15,343	$	18,699