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Note 8 - Loss Per Share - Summary of Earnings Per Share (Details) - shares shares in Thousands	3 Months Ended
	Apr. 30, 2021	Apr. 30, 2020
Basic weighted average common shares outstanding (in shares)	8,165	8,048
Dilutive effect of equity compensation plans (in shares)
Weighted average common shares outstanding assuming full dilution (in shares)	8,165	8,048
Stock options and restricted stock not included in the computation of diluted earnings per share of common stock because the option exercise prices or grant date prices exceeded the average market prices of the common shares (in shares)	103	77
Stock options and restricted stock with exercise prices or grant date prices below the average market prices (in shares)	279	274

X

- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
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- Definition

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

+ References

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-Publisher FASB
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The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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