Annual report pursuant to Section 13 and 15(d)

Income Taxes - Components of Deferred Income Taxes (Detail)

v3.3.1.900
Income Taxes - Components of Deferred Income Taxes (Detail) - USD ($)
$ in Thousands
Jan. 31, 2016
Jan. 31, 2015
Deferred tax assets:    
Accruals and reserves $ 5,041 $ 1,783
Deferred revenue 346 761
Stock-based compensation expense 3,655 3,005
U.S. federal, state and foreign tax credits 7,510 7,670
Intangible assets 7,153  
Loss carryforwards 24,172 18,298
Deferred tax assets 47,877 31,517
Less: Valuation allowance (47,368) (30,369)
Net deferred tax assets 509 1,148
Deferred tax liabilities:    
Intangible assets   1,267
Other 75 74
Property and equipment 426 869
Total net deferred tax assets $ 8  
Total net deferred tax liabilities   $ (1,062)