Annual report pursuant to Section 13 and 15(d)

Income Taxes - Income Tax Provision (Benefit) for Continuing Operations Computed Using Federal Statutory Income Tax Rate (Detail)

v2.4.0.8
Income Taxes - Income Tax Provision (Benefit) for Continuing Operations Computed Using Federal Statutory Income Tax Rate (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jan. 31, 2014
Jan. 31, 2013
Jan. 31, 2012
Income Tax Disclosure [Abstract]      
Statutory U.S. federal tax rate $ (774) $ (952) $ (582)
State taxes, net of federal tax benefit 33 81 660
Income (losses) not benefitted 316 (1,068) 4,048
Non-deductible stock compensation expense 15 142 (68)
Other(1) 694 858 957
Research and development tax credits (224)   (291)
Innovation box 260 (779)  
Foreign tax rate differential (265) 163 (2,843)
Income tax provision (benefit) $ 55 $ (1,555) $ 1,881