Commitments (Tables)

12 Months Ended

Jan. 31, 2015

Commitments [Abstract]

Minimum future lease payments

Minimum future lease payments (in thousands) for operating leases in effect as of January 31, 2015, are as follows:

Year ending January 31,
2016	$	3,364
2017	4,059
2018	4,541
2019	4,176
2020	4,157
Thereafter	347
Total minimum lease payments	20,644
Less sublease revenues	—
	$	20,644

Rent expense

Rent expense relating to operating leases was as follows (in thousands):

Year ended January 31,
2015	$	6,025
2014	6,555
2013	6,629