CONDENSED CONSOLIDATED STATEMENT OF OPERATIONS (Unaudited) - USD ($) shares in Thousands	3 Months Ended		9 Months Ended
	Feb. 25, 2024	Feb. 26, 2023	Feb. 25, 2024	Feb. 26, 2023
Revenues	$ 35,704,000	$ 26,536,000	$ 90,375,000	$ 72,123,000
Cost of goods sold	23,810,000	17,988,000	65,797,000	51,917,000
Gross profit	11,894,000	8,548,000	24,578,000	20,206,000
Operating costs and expenses:
Research and development	2,170,000	2,234,000	6,414,000	6,621,000
Selling, general and administrative	9,848,000	10,279,000	28,239,000	26,675,000
Restructuring costs	771,000	2,566,000	918,000	4,176,000
Total operating costs and expenses	12,789,000	15,079,000	35,571,000	35,364,000
Operating loss	(895,000)	(6,531,000)	(10,993,000)	(15,158,000)
Change in fair value of debt derivative liability, related party	21,000,000	0	41,900,000	0
Other income (expense), net	(814,000)	104,000	(1,950,000)	(330,000)
Net income (loss) from continuing operations before taxes	15,002,000	(11,260,000)	16,657,000	(27,160,000)
Provision for income tax expense	(217,000)	(70,000)	(240,000)	(78,000)
Net income (loss) from continuing operations	14,785,000	(11,330,000)	16,417,000	(27,238,000)
Discontinued operations:
Income (loss) from discontinued operations before taxes	850,000	(25,177,000)	2,700,000	(33,041,000)
Income tax (expense) benefit	(3,000)	0	(21,000)	0
Income (loss) from discontinued operations, net of tax	847,000	(25,177,000)	2,679,000	(33,041,000)
Net income (loss)	$ 15,632,000	$ (36,507,000)	$ 19,096,000	$ (60,279,000)
Basic net income (loss) per share:
Income (loss) from continuing operations (in dollars per share)	$ 0.48	$ (0.37)	$ 0.54	$ (0.91)
Loss from discontinued operations (in dollars per share)	0.03	(0.83)	0.09	(1.11)
Total basic net income (loss) per share (in dollars per share)	0.51	(1.20)	0.63	(2.02)
Diluted net income (loss) per share:
Income (loss) from continuing operations (in dollars per share)	0.40	(0.37)	0.45	(0.91)
Loss from discontinued operations (in dollars per share)	0.02	(0.83)	0.07	(1.11)
Total diluted net income (loss) per share (in dollars per share)	$ 0.42	$ (1.20)	$ 0.52	$ (2.02)
Shares used in per share computation:
Basic (in shares)	30,488	30,304	30,450	29,838
Diluted (in shares)	36,609	30,304	36,469	29,838
Other comprehensive income (loss), net of tax:
Net income (loss)	$ 15,632,000	$ (36,507,000)	$ 19,096,000	$ (60,279,000)
Net unrealized gain on interest rate swaps (net of tax effect of $16)	0	0	0	586,000
Total comprehensive income (loss)	15,632,000	(36,507,000)	19,096,000	(59,693,000)
Nonrelated Party
Revenues	17,054,000	26,536,000	54,528,000	72,123,000
Operating costs and expenses:
Interest expense, net	(921,000)	(4,833,000)	(2,546,000)	(11,672,000)
Related Party
Revenues	18,650,000	0	35,847,000	0
Operating costs and expenses:
Interest expense, net	(3,368,000)	0	(9,754,000)	0
BreatheWay
Operating costs and expenses:
Gain on sale of divested business	$ 0	$ 0	$ 0	$ (2,108,000)