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Net loss per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 30, 2021	Apr. 30, 2020
Earnings Per Share [Abstract]
Net loss	$ (3,909)	$ (4,698)
Weighted average shares outstanding - basic (shares)	15,824	15,654
Net effect of dilutive share-based on the treasury stock method using average market price (shares)	0	0
Totals (shares)	15,824	15,654
Net income (loss) per share - basic (usd per share)	$ (0.25)	$ (0.30)
Net income (loss) per share - diluted (usd per share)	$ (0.25)	$ (0.30)
Antidilutive stock options (shares)	155	75

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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