v3.26.1
Note 12 - Segment Reporting - Schedule of Segment Reporting Information, by Segment (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 31, 2026
Jul. 31, 2025
Jul. 31, 2026
Jul. 31, 2025
Total revenue from contracts with customers $ 5,622 $ 13,561 $ 15,294 $ 21,463
Cost of sales 3,532 6,732 9,107 11,303
Selling, general and administrative 3,255 3,637 6,800 7,021
Research and development 407 311 717 691
Depreciation and amortization expense 224 217 452 442
Operating income (1,796) 2,664 (1,782) 2,006
Capital expenditures 108 182 156 419
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]        
Total revenue from contracts with customers 0 0 0 0
Cost of sales 0 0 0 0
Selling, general and administrative 1,566 2,008 3,685 3,715
Research and development 111 105 199 183
Depreciation and amortization expense 0 4 0 9
Operating income (1,677) (2,117) (3,884) (3,907)
Capital expenditures 20 1 20 27
Seamap Marine Products [Member] | Operating Segments [Member]        
Total revenue from contracts with customers 5,622 13,561 15,294 21,463
Cost of sales 3,532 6,732 9,107 11,303
Selling, general and administrative 1,689 1,629 3,115 3,306
Research and development 296 206 518 508
Depreciation and amortization expense 224 213 452 433
Operating income (119) 4,781 2,102 5,913
Capital expenditures $ 88 $ 181 $ 136 $ 392