Selected Quarterly Financial Data (Unaudited) - Schedule of Quarterly Financial Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	May 28, 2022	Feb. 26, 2022	Nov. 27, 2021	Aug. 28, 2021	May 29, 2021	Feb. 27, 2021	Nov. 28, 2020	Aug. 29, 2020	May 28, 2022	May 29, 2021	May 30, 2020
Net sales	$ 61,629	$ 55,308	$ 53,979	$ 53,704	$ 50,472	$ 45,235	$ 42,418	$ 38,812	$ 224,620	$ 176,937	$ 155,898
Gross profit	20,177	17,569	17,657	16,297	16,357	15,766	14,343	12,359	71,700	58,825	49,673
Net (loss) income	$ 8,283	$ 2,887	$ 4,122	$ 2,635	$ 1,885	$ 228	$ 689	$ (1,147)	$ 17,927	$ 1,655	$ (1,838)
Common Stock
Net (loss) income per share:
Earnings Per Share, Basic	$ 0.62	$ 0.22	$ 0.31	$ 0.20	$ 0.14	$ 0.02	$ 0.05	$ (0.09)	$ 1.35	$ 0.13	$ (0.14)
Earnings Per Share, Diluted	0.59	0.21	0.30	0.20	0.14	0.02	0.05	(0.09)	1.31	0.13	(0.14)
Common Class B
Net (loss) income per share:
Earnings Per Share, Basic	0.55	0.19	0.28	0.18	0.13	0.02	0.05	(0.08)	1.21	0.11	(0.13)
Earnings Per Share, Diluted	$ 0.54	$ 0.19	$ 0.27	$ 0.18	$ 0.13	$ 0.02	$ 0.05	$ (0.08)	$ 1.18	$ 0.11	$ (0.13)