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Note 1 - Basis of Presentation (Details Textual) - USD ($) $ in Thousands	Apr. 30, 2025	Jan. 31, 2025	Apr. 30, 2024
Property, Plant and Equipment, Net	$ 36,007	$ 35,365	$ 36,788
Accounts Payable, Current	$ 20,053	$ 23,691	23,249
Revision of Prior Period, Adjustment [Member]
Property, Plant and Equipment, Net			(1,423)
Accounts Payable, Current			$ (1,423)

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