v3.26.1
Note 12 - Segment Reporting - Schedule of Segment Reporting Information, By Segment (Details) - USD ($)
$ in Thousands
3 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Apr. 30, 2025
Total revenue from contracts with customers $ 9,672 $ 7,902  
Cost of sales 5,575 4,571  
Selling, general and administrative 3,545 3,384  
Research and development 310 380  
Depreciation and amortization expense 228 225  
Operating income 14 (658) $ (658)
Capital expenditures 48 237  
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]      
Total revenue from contracts with customers 0 0  
Cost of sales 0 0  
Selling, general and administrative 2,119 1,708  
Research and development 88 78  
Depreciation and amortization expense 0 4  
Operating income (2,207) (1,790) (1,790)
Capital expenditures 0 26  
Seamap Marine Products [Member] | Operating Segments [Member]      
Total revenue from contracts with customers 9,672 7,902  
Cost of sales 5,575 4,571  
Selling, general and administrative 1,426 1,676  
Research and development 222 302  
Depreciation and amortization expense 228 221  
Operating income 2,221 1,132 $ 1,132
Capital expenditures $ 48 $ 211