Net Loss per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 30, 2017	Apr. 30, 2016
Earnings Per Share [Abstract]
Net loss	$ (2,211)	$ (3,138)
Weighted average shares outstanding (shares)	15,128	14,971
Net effect of dilutive share-based on the treasury stock method using average market price (shares)	0	0
Totals (shares)	15,128	14,971
Net loss per share - basic (usd per share)	$ (0.15)	$ (0.21)
Net loss per share - diluted (usd per share)	$ (0.15)	$ (0.21)
Antidilutive securities excluded from computation of diluted net loss per share (shares)	252	270