Balance Sheet Components (Tables)

6 Months Ended

Jul. 31, 2015

Deferred Revenue Disclosure [Abstract]

Components of Deferred Revenue

The following table shows the components of deferred revenue (in thousands):

	July 31,		January 31,
	2015		2015
Deferred revenue:
Subscription and services	$	11,128	$	9,863
Product and other		2,884		4,523
Total deferred revenue		14,012		14,386
Less: current portion of deferred revenue		13,976		14,348
Deferred revenue, noncurrent portion included in other long-term liabilities	$	36	$	38

Inventory Disclosure [Abstract]

Components of Inventories

The following table shows the components of inventories (in thousands): 

	July 31,		January 31,
	2015		2015
Finished goods	$	5,972	$	5,719
Raw material		1,249		2,362
Total inventory	$	7,221	$	8,081

Payables And Accruals [Abstract]

Components of Accrued Expenses

The following table shows the components of accrued expenses (in thousands):

	July 31,		January 31,
	2015		2015
Accrued regulatory fees and taxes	$	4,946	$	4,762
Accrued payroll and related expenses		2,410		2,022
Acquisition-related contingent consideration-current portion		797		1,027
Other accrued expenses		3,340		2,502
Total accrued expenses	$	11,493	$	10,313