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Note 6 - Impairment of Long-lived Assets - Goodwill (Details) $ in Thousands	3 Months Ended
	Apr. 30, 2023 USD ($)
Goodwill	$ 2,227
Goodwill, foreign exchange change effect	(28)
Goodwill	$ 2,199

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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