Technology Partner Innovations, LLC ("TPI") (Details) - USD ($)	3 Months Ended			9 Months Ended
	Jan. 25, 2025	Jul. 27, 2024	Jan. 27, 2024	Jan. 25, 2025	Jan. 27, 2024	Apr. 27, 2024
Schedule of Equity Method Investments [Line Items]
Noncontrolling interest	$ 354,000			$ 354,000		$ 588,000
Net loss attributable to noncontrolling interest	85,000		$ 110,000	234,000	$ 317,000
Technology Partner Innovations, LLC
Schedule of Equity Method Investments [Line Items]
Net assets contributed		$ 0		0
Net loss attributable to noncontrolling interest	$ 85,000		$ 110,000	$ 234,000	$ 317,000