Note 11 - Leases - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands	Oct. 31, 2024	Apr. 30, 2024	Jan. 31, 2024
Property and Equipment - net	$ 35,652	$ 36,788	$ 37,620
Finance lease liability short-term	33		113
Finance lease liability long-term	53		0
Total finance lease liabilities	86		113
Operating lease ROU assets	7,403		6,467
Operating lease liability short-term	1,061		914
Operating lease liability long-term	7,104		6,270
Total operating lease liabilities	8,165		7,184
Finance Leases Assets [Member]
Property and Equipment - gross	935		970
Accumulated depreciation and amortization	(615)		(536)
Property and Equipment - net	$ 320		$ 434

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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