Accrued Liabilities (Tables)

12 Months Ended

Jan. 31, 2016

Payables And Accruals [Abstract]

Schedule of Accrued Liabilities

Accrued liabilities at January 31, 2016 and 2015 consisted of the following:

	As of January 31,
	2016		2015
	(in thousands)
Accrued employee compensation	$	14,512	$	11,318
Accrued warranty		234		203
Accrued rebates		824		254
Accrued product development costs		6,339		5,004
Other accrued liabilities		1,869		1,920
Total accrued liabilities	$	23,778	$	18,699