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Note 18 - Concentrations (Details Textual) $ in Millions	12 Months Ended
Note 18 - Concentrations (Details Textual) $ in Millions	Jan. 31, 2025 USD ($)	Jan. 31, 2024 USD ($)
Deposits, Foreign	$ 4.8	$ 4.9
Accounts Receivable [Member] \| Customer Concentration Risk [Member]
Number of Major Customers	2	4
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| Two Customers [Member]
Concentration Risk, Percentage	10.00%	10.00%
Revenue Benchmark [Member] \| Customer Concentration Risk [Member] \| Largest Customer [Member]
Concentration Risk, Percentage	36.00%	21.00%
Revenue Benchmark [Member] \| Customer Concentration Risk [Member] \| Five Largest Customers [Member]
Number of Major Customers		5
Concentration Risk, Percentage	73.00%	67.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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