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Note 13 - Leases - Components of Operating Lease Expense (Details) $ in Thousands	12 Months Ended
	Jan. 31, 2020 USD ($)
Operating lease cost	$ 4,902
Short-term lease cost	866
Total operating lease cost	5,768
Operating cash outflows from operating leases included in measurement of lease liabilities	4,150
Increase in ROU asset from non-cash activities, including lease modifications and new leases	$ 6,439
Weighted average remaining lease term (years) (Year)	4 years 109 days
Weighted average discount rate (%)	2.80%

X

- Definition

Amount of lease cost recognized by lessee for lease contract.

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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.

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

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

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

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