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Net Loss per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended
Apr. 30, 2016
Apr. 30, 2015
Earnings Per Share [Abstract]    
Net loss $ (3,138) $ (3,178)
Weighted average shares outstanding [1] 14,971 14,824
Net effect of dilutive share-based on the treasury stock method using average market price 0 0
Totals [1] 14,971 14,824
Net income per share - basic [1] $ (0.21) $ (0.21)
Net income per share - diluted [1] $ (0.21) $ (0.21)
Antidilutive shares 270 233
[1] Net loss per share was calculated based on basic shares outstanding due to the anti-dilutive effect on the inclusion of common stock equivalent shares.