Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Licensing Agreements (Details Textual)

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Note 5 - Licensing Agreements (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 26, 2021
Dec. 27, 2020
Dec. 26, 2021
Dec. 27, 2020
Cost of Goods and Services Sold, Total $ 16,572 $ 13,323 $ 44,780 $ 39,070
Royalty [Member]        
Cost of Goods and Services Sold, Total $ 1,500 $ 1,400 $ 4,200 $ 4,200