Quarterly report [Sections 13 or 15(d)]

Note 4 - Concentrations - Summary of Major Customers (Details)

v3.26.1
Note 4 - Concentrations - Summary of Major Customers (Details) - Customer Concentration Risk [Member] - Revenue Benchmark [Member]
3 Months Ended
Jun. 28, 2026
Jun. 29, 2025
Wal-Mart Stores, Inc. [Member]    
Sales, percent 44.00% 45.00%
Amazon.com, Inc. [Member]    
Sales, percent 14.00% 17.00%
Target Corporation [Member]    
Sales, percent 10.00% 11.00%