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CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Apr. 27, 2025	Apr. 28, 2024	Apr. 30, 2023
Statement Of Income And Comprehensive Income [Abstract]
net loss	$ (19,103)	$ (13,819)	$ (31,520)
unrealized holding gain (loss) on investments	32	99	(13)
comprehensive loss	$ (19,071)	$ (13,720)	$ (31,533)

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.

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