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Note 7 - Stock-based Compensation - Restricted Stock Activity (Details) - Restricted Stock [Member] $ / shares in Units, shares in Thousands, $ in Thousands	6 Months Ended
	Jul. 31, 2020 USD ($) $ / shares shares
Outstanding (unvested) at beginning of period (in shares) | shares	321
Outstanding (unvested) at beginning of period, weighted average grant price per share (in dollars per share) | $ / shares	$ 8.89
Outstanding (unvested) at beginning of period, aggregate intrinsic value | $	$ 2,857
Granted (in shares) | shares	156
Granted, weighted average grant price per share (in dollars per share) | $ / shares	$ 5.88
Vested and issued (in shares) | shares	(63)
Vested and issued, weighted average grant price per share (in dollars per share) | $ / shares	$ 8.96
Forfeited or retired for taxes (in shares) | shares	(36)
Forfeited or retired for taxes, weighted average grant price per share (in dollars per share) | $ / shares	$ 8.72
Outstanding (unvested) at endof period (in shares) | shares	378
Outstanding (unvested) at end of period, weighted average grant price per share (in dollars per share) | $ / shares	$ 7.63
Outstanding (unvested) at end of period, aggregate intrinsic value | $	$ 2,884

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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(3)
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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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- Definition

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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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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

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- Definition

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

+ References

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Weighted average grant-date fair value of non-vested options outstanding.

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- Definition

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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