Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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Note 6 - Business Combination - Intangible Assets Acquired (Details) - USD ($) $ in Thousands			3 Months Ended
	Apr. 05, 2021	Dec. 31, 2020	Apr. 30, 2021	Apr. 30, 2020
Estimated annual amortization			$ 240	$ 64
Foreign-Trade Zone Corporation [Member]
Fair value	$ 8,280
Allocation Network GmbH [Member]
Fair value		$ 7,751
Software Technology [Member] \| Foreign-Trade Zone Corporation [Member]
Estimated useful life (Year)	5 years
Fair value	$ 3,200
Estimated annual amortization	$ 640
Software Technology [Member] \| Allocation Network GmbH [Member]
Estimated useful life (Year)		5 years
Fair value		$ 6,056
Estimated annual amortization		$ 1,211
Customer Relationships [Member] \| Foreign-Trade Zone Corporation [Member]
Estimated useful life (Year)	5 years
Fair value	$ 5,000
Estimated annual amortization	$ 1,000
Customer Relationships [Member] \| Allocation Network GmbH [Member]
Estimated useful life (Year)		5 years
Fair value		$ 1,695
Estimated annual amortization		$ 339
Trade Names [Member] \| Foreign-Trade Zone Corporation [Member]
Estimated useful life (Year)	5 years
Fair value	$ 80
Estimated annual amortization	$ 16