v3.26.1
Note 12 - Segment Reporting - Reconciliation of Assets from Segment to Consolidated (Details) - USD ($)
$ in Thousands
Jul. 31, 2026
Jan. 31, 2026
Jul. 31, 2025
Assets $ 46,690 $ 49,266 $ 35,831
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]      
Assets 11,737   4,478
Seamap Marine Products [Member] | Operating Segments [Member]      
Assets $ 34,953   $ 31,353