v3.25.3
Note 2 - Significant Accounting Policies - Revenue By Product (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Net sales $ 6,976 $ 5,845 $ 12,797 $ 11,743
Packaged Astaxanthin [Member]        
Net sales 3,265 3,119 6,233 6,378
Packaged Spirulina [Member]        
Net sales 1,308 1,087 2,458 2,517
Packaged Products [Member]        
Net sales 4,573 4,206 8,691 8,895
Bulk Astaxanthin [Member]        
Net sales 1,533 632 2,689 1,407
Bulk Spirulina [Member]        
Net sales 826 710 1,333 1,052
Bulk Products [Member]        
Net sales 2,359 1,342 4,022 2,459
Contract Extraction and R&D Services [Member]        
Net sales $ 44 $ 297 $ 84 $ 389