Note 12 - Fair Value of Financial Instrument - Fair Value and Carrying Value of Long-term Debt (Details) - USD ($) $ in Thousands	Jul. 02, 2022	Mar. 31, 2022	Jul. 03, 2021
Carrying value	$ 171,089	$ 113,624	$ 97,092
Fair value	$ 165,108	$ 108,608	$ 96,672

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Name:	us-gaap_LongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant