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 7 - Business Combination - Intangible Assets Acquired (Details) - USD ($) $ in Thousands		12 Months Ended
	Dec. 31, 2020	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2019
Estimated annual amortization		$ 289	$ 268	$ 111
Allocation Network GmbH [Member]
Fair value	$ 7,751
Allocation Network GmbH [Member] \| Software Technology [Member]
Estimated useful life (Year)	5 years
Fair value	$ 6,056
Estimated annual amortization	$ 1,211
Allocation Network GmbH [Member] \| Customer Relationships [Member]
Estimated useful life (Year)	5 years
Fair value	$ 1,695
Estimated annual amortization	$ 339