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Note 8 - Income Taxes - Uncertain Tax Positions (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2019	Jan. 31, 2018
Balance at beginning of the year	$ 1,301	$ 1,331
Increases in positions taken in a prior period	9	6
Increases in positions taken in a current period	147	5
Decreases due to lapse of statute of limitations	(10)	(34)
Decreases due to settlements		(7)
Balance at end of the year	$ 1,447	$ 1,301

X

- Definition

Amount of unrecognized tax benefits.

+ References

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X

- Definition

Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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