Note 7 - Intangible Assets (Details Textual) - USD ($)	3 Months Ended
Apr. 30, 2025	Apr. 30, 2024
Amortization of Intangible Assets	$ 148,000	$ 185,000

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.

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+ Details