Note 9 - Stock-based Compensation - Restricted Stock Activity (Details) - Restricted Stock [Member] - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2019
Outstanding (in shares)	321	274
Outstanding, weighted average grant price (in dollars per share)	$ 9.03	$ 8.74
Outstanding, aggregate intrinsic value	$ 2,843	$ 2,902	$ 2,392
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	156	152
Granted, weighted average grant price (in dollars per share)	$ 5.88	$ 9.09
Issued (in shares)	(64)	(79)
Forfeited (in shares)	(41)	(26)
Forfeited, weighted average grant price (in dollars per share)	$ 8.31	$ 8.79
Outstanding (in shares)	372	321
Outstanding, weighted average grant price (in dollars per share)	$ 7.62	$ 9.03

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.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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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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Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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