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Income Taxes - Schedule of Provision (Benefit) For Income Taxes (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 31, 2016
Jan. 31, 2015
Jan. 31, 2014
Current:      
Federal $ 29 $ 25 $ 17
State 146 135 53
Foreign 298 670 89
Total 473 830 159
Deferred:      
Federal 61 (1,009) (2,360)
State   (109) (230)
Foreign 156 (281)  
Total 217 (1,399) (2,590)
Provision (benefit) for income taxes $ 690 $ (569) $ (2,431)