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Note 7 - Stock-based Compensation - Restricted Stock Activity (Details) - Restricted Stock [Member] - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 30, 2021	Jan. 31, 2021
Outstanding (in shares)	372
Outstanding, weighted average price (in dollars per share)	$ 7.62
Outstanding, aggregate intrinsic value	$ 2,835	$ 2,843
Forfeited or retired for taxes (in shares)	(1)
Forfeited or retired for taxes, weighted average price (in dollars per share)	$ 6.95
Outstanding (in shares)	371
Outstanding, weighted average price (in dollars per share)	$ 7.62

X

- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ References

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-Topic 718
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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

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Intrinsic value of outstanding award under share-based payment arrangement. Excludes share and unit options.

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Number of shares related to Restricted Stock Award forfeited during the period.

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