Note 7 - Leases - Undiscounted Future Lease Payments Under Operating Leases and Financial Leases (Details) - USD ($) $ in Thousands	Sep. 27, 2025	Mar. 31, 2025	Sep. 28, 2024
2026, operating	$ 1,094
2026, finance	1,998
2027, operating	3,060
2027, finance	3,218
2028, operating	2,569
2028, finance	2,811
2029, operating	1,455
2029, finance	1,659
2030, operating	1,112
2030, finance	923
Thereafter, operating	1,015
Thereafter, finance	384
Total minimum payment required, operating	10,305
Total minimum payment required, finance	10,993
Less interest, operating	973
Less interest, finance	799
Present value of minimum lease payments, operating	9,332
Present value of minimum lease payments, finance	10,194
Amount due within one year, operating	2,967
Amount due within one year, finance	3,373
Long-term lease obligations, operating	6,365	$ 6,924	$ 6,660
Long-term lease obligations, finance	$ 6,821	$ 8,377	$ 9,973