Note 1 - Basis of Preparation and Presentation - Schedule of Cash and Cash Equivalents (Details) - USD ($) $ in Thousands	Sep. 27, 2025	Mar. 31, 2025	Sep. 28, 2024
Cash and cash equivalents	$ 18,134	$ 42,685	$ 9,545
Restricted cash	0	7,705	7,522
Total cash, cash equivalents and restricted cash	$ 18,134	$ 50,390	$ 17,067

Amount of cash and cash equivalent restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant