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Note 7 - Stock-based Compensation - Restricted Stock Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 30, 2019	Jan. 31, 2019
Outstanding (unvested) at beginning of period, weighted average grant price per share (in dollars per share)	$ 8.96
Outstanding (unvested) at beginning of period, aggregate intrinsic value	$ 2,502
Outstanding (unvested) at endof period (in shares)	279
Restricted Stock [Member]
Outstanding (unvested) at beginning of period (in shares)	283
Outstanding (unvested) at beginning of period, weighted average grant price per share (in dollars per share)		$ 8.74
Outstanding (unvested) at beginning of period, aggregate intrinsic value		$ 2,476
Granted (in shares)
Granted, weighted average grant price per share (in dollars per share)
Vested and issued (in shares)
Forfeited (in shares)	(4)
Forfeited, weighted average grant price per share (in dollars per share)	$ 8.60

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

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

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