v3.26.1
Note 12 - Segment Reporting - Reconciliation of Assets from Segment to Consolidated (Details) - USD ($)
$ in Thousands
Apr. 30, 2026
Jan. 31, 2026
Apr. 30, 2025
Assets $ 50,763 $ 49,266 $ 36,226
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]      
Assets 11,908   652
Seamap Marine Products [Member] | Operating Segments [Member]      
Assets $ 38,855   $ 35,574