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Note 13 - Leases - Components of Operating Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2021	Jan. 31, 2020
Operating lease cost	$ 4,590	$ 4,902
Short-term lease cost	502	866
Total operating lease cost	5,092	5,768
Operating cash outflows from operating leases included in measurement of lease liabilities	4,831	4,150
New ROU assets obtained in exchange for lease obligations	$ 2,337	$ 6,439
Weighted average remaining lease term (years) (Year)	3 years 292 days	4 years 109 days
Weighted average discount rate (%)	2.50%	2.80%

X

- Definition

Amount of lease cost recognized by lessee for lease contract.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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X

- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

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X

- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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X

- Definition

Weighted average discount rate for operating lease calculated at point in time.

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X

- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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- Definition

Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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