Unaudited Quarterly Consolidated Financial Information - Schedule of Quarterly Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended											6 Months Ended			9 Months Ended			12 Months Ended
	May 28, 2023	Feb. 26, 2023	Nov. 27, 2022	Aug. 28, 2022	May 29, 2022	Feb. 27, 2022	Nov. 28, 2021	Aug. 29, 2021	Feb. 28, 2021	Nov. 29, 2020	Aug. 30, 2020	Nov. 27, 2022	Nov. 28, 2021	Nov. 29, 2020	Feb. 26, 2023	Feb. 27, 2022	Feb. 28, 2021	May 28, 2023	May 29, 2022	May 30, 2021
Quarterly Financial Information Disclosure [Abstract]
Product sales	$ 31,145	$ 26,536	$ 21,864	$ 23,724	$ 28,107	$ 35,232	$ 25,601	$ 22,330	$ 27,807	$ 23,792	$ 22,675	$ 45,587						$ 103,269	$ 111,270	$ 100,874
Gross profit	7,779	8,548	5,679	5,979	10,424	11,639	11,458	5,545	10,930	10,774	5,294	11,658						27,985	39,066	38,937
Net loss from continuing operations	(36,998)	(11,330)	(9,201)	(6,707)	(3,630)	(10,920)	7,547	(8,473)	(1,751)	(8,390)	(9,990)	(15,908)						(64,236)	(15,476)	(23,437)
Net loss from discontinued operations	$ (2,286)	$ (25,177)	$ (3,605)	$ (4,259)	$ (51,641)	$ (2,666)	$ (46,018)	$ (914)	$ (5,227)	$ (3,233)	$ (2,420)	$ (7,864)						$ (35,327)	$ (101,239)	$ (8,857)
Net loss per basic share from continuing operations (in dollars per share)	$ (1.23)	$ (0.37)	$ (0.31)	$ (0.23)	$ (0.12)	$ (0.37)	$ 0.25	$ (0.29)	$ (0.06)	$ (0.29)	$ (0.34)	$ (0.54)						$ (2.14)	$ (0.53)	$ (0.80)
Net loss per diluted share from continuing operations (in dollars per share)	(1.23)	(0.37)	(0.31)	(0.23)	(0.12)	(0.37)	0.25	(0.29)	(0.06)	(0.29)	(0.34)	(0.54)						(2.14)	(0.53)	(0.80)
Net loss per basic share from discontinued operations (in dollars per share)	(0.09)	(0.83)	(0.12)	(0.14)	(1.76)	(0.09)	(1.56)	(0.03)	(0.18)	(0.11)	(0.08)	(0.26)						(1.18)	(3.44)	(0.30)
Net loss per diluted share from discontinued operations (in dollars per share)	(0.09)	(0.83)	(0.12)	(0.14)	(1.76)	(0.09)	(1.56)	(0.03)	(0.18)	(0.11)	(0.08)	(0.26)						(1.18)	(3.44)	(0.30)
Total basic net loss per share (in dollars per share)	(1.32)	(1.20)	(0.43)	(0.37)	(1.88)	(0.46)	(1.31)	(0.32)	(0.24)	(0.40)	(0.42)	(0.80)						(3.32)	(3.97)	(1.10)
Total diluted net loss per share (in dollars per share)	$ (1.32)	$ (1.20)	$ (0.43)	$ (0.37)	$ (1.88)	$ (0.46)	$ (1.31)	$ (0.32)	$ (0.24)	$ (0.40)	$ (0.42)	$ (0.80)	$ (1.63)	$ (0.82)	$ (2.02)	$ (2.09)	$ (1.06)	$ (3.32)	$ (3.97)	$ (1.10)