Technology Partner Innovations, LLC ("TPI") (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Jan. 27, 2024	Jan. 28, 2023	Jan. 27, 2024	Jan. 28, 2023	Apr. 29, 2023	Apr. 27, 2019
Schedule of Equity Method Investments [Line Items]
Net assets contributed			$ 0	$ 15,000,000
Noncontrolling interest	$ 683,000		683,000		$ 1,000,000
Net loss attributable to noncontrolling interest	110,000	$ 82,000	317,000	836,000
Technology Partner Innovations, LLC
Schedule of Equity Method Investments [Line Items]
Net assets contributed			0		$ 1,000,000	$ 4,000,000
Net loss attributable to noncontrolling interest	$ 110,000	$ 82,000	$ 317,000	$ 836,000