Note 19 - Sales and Major Customers - Summary of Revenues (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 31, 2024	Jan. 31, 2023
Sale of marine technology products	$ 36,510	$ 25,012
UK and Europe [Member]
Sale of marine technology products	20,248	11,836
CANADA
Sale of marine technology products	12,399	10,755
Latin America [Member]
Sale of marine technology products	2,613	435
Non-US [Member]
Sale of marine technology products	$ 35,260	$ 23,026

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details