Note 14 - Restructuring - Restructuring Reserve (Details) - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2023	Oct. 01, 2022
Balance	$ 117	$ 0
Cash payments/write-offs	(266)	(108)
Balance	0	0
First Quarter [Member]
Charge to expense	140	56
Second Quarter [Member]
Charge to expense	9	52
Employee Severance [Member]
Balance	117	0
Cash payments/write-offs	(75)	0
Balance	0	0
Employee Severance [Member] | First Quarter [Member]
Charge to expense	(42)	0
Employee Severance [Member] | Second Quarter [Member]
Charge to expense	0	0
Other Restructuring [Member]
Balance	0	0
Cash payments/write-offs	(191)	(108)
Balance	0	0
Other Restructuring [Member] | First Quarter [Member]
Charge to expense	182	56
Other Restructuring [Member] | Second Quarter [Member]
Charge to expense	$ 9	$ 52