Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details 2)

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Income Taxes (Details 2) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jan. 31, 2013
Jan. 31, 2012
Jan. 31, 2011
Statutory U.S. federal tax rate $ (952) $ (582) $ 9,862
State taxes, net of federal tax benefit 81 660 51
Losses not benefitted (1,068) 4,048 (8,559)
Non-deductible stock compensation expense 142 (68) (79)
Other 858 957 (580)
Research and development tax credits 0 (291) (117)
Innovation box (779)    
Foreign tax rate differential 163 (2,843) (2,805)
(Benefit from) provision for income taxes $ (1,555) $ 1,881 $ (2,227)