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Related Party (Details) - USD ($) shares in Thousands		12 Months Ended
	May 11, 2023	Apr. 27, 2024	Apr. 27, 2024	Jun. 07, 2023	May 15, 2023
Related Party Transaction [Line Items]
Threshold to be considered related party transaction		$ 120,000	$ 120,000
Redemption of convertible promissory note			0
Convertible note
Related Party Transaction [Line Items]
Debt instrument, face amount		25,000,000	$ 25,000,000
Convertible Note Offering | Related Party
Related Party Transaction [Line Items]
Proceeds from convertible debt	$ 25,000,000
Convertible Note Offering | Related Party | Daktronics
Related Party Transaction [Line Items]
Shares owner by noncontrolling owner (in shares)				2,293	4,768
Ownership percentage				4.99%	9.99%
Convertible Note Offering | Convertible note | Related Party
Related Party Transaction [Line Items]
Convertible debt	25,563,000
Debt instrument, face amount	25,000,000
Debt interest expense	563,000
Redemption of convertible promissory note	$ 1,688,000
Video Display Systems
Related Party Transaction [Line Items]
Related party transaction, amounts of transaction		$ 1,178,000

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