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Note 9 - Retirement Plans - Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2019	Jan. 31, 2018
Interest cost	$ 240	$ 253
Expected return on plan assets	(522)	(484)
Recognized actuarial loss	64	82
Net periodic benefit income	(218)	(149)
Actuarial gain/(loss) on obligation	303	(249)
Actual (loss)/gain on plan assets	(644)	414
Total in other comprehensive income	$ 341	$ (165)

X

- Definition

Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

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Amount, before tax, of accumulated other comprehensive income (loss) for transition asset (obligation) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

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Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan.

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