CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	May 28, 2023	Feb. 26, 2023	Nov. 27, 2022	Aug. 28, 2022	May 29, 2022	Feb. 27, 2022	Nov. 28, 2021	Aug. 29, 2021	May 30, 2021	Feb. 28, 2021	Nov. 29, 2020	Aug. 30, 2020	May 31, 2020
Current Assets:
Cash and cash equivalents	$ 19,091	$ 2,950	$ 5,938	$ 2,540	$ 991	$ 1,101	$ 609	$ 939	$ 763	$ 1,853	$ 2,476	$ 439
Accounts receivable, less allowance for credit losses	29,024	30,974	27,458	31,929	38,314	39,747	27,495	26,216	31,591	28,863	29,600	27,172
Inventories, net	40,841	42,042	38,420	36,154	36,000	34,758	39,715	36,869	33,930	31,441	32,404	28,909
Prepaid expenses and other current assets	4,919	1,473	1,673	1,986	2,053	1,818	1,441	1,324	1,502	5,946	6,795	13,934
Current assets, discontinued operations	0	5,687	45,592	36,896	39,310	49,716	81,293	73,318	77,515	90,219	80,554	74,513
Total Current Assets	93,875	83,126	119,081	109,505	116,668	127,140	150,553	138,666	145,301	158,322	151,829	144,967
Property and equipment, net	134,390	126,326	120,187	118,190	118,670	110,503	108,761	108,400	107,131	95,789	94,988	93,764
Operating lease right-of-use assets	4,282	5,100	5,251	5,396	5,553	5,703	7,487	7,696	13,536	15,403	12,691	13,359
Goodwill	13,881	13,881	13,881	13,881	13,881	13,881	13,881	13,881	13,881	13,881	13,881	13,881
Trademarks/tradenames, net	4,200	4,200	4,200	4,200	4,200	4,200	4,200	4,200	4,200	4,200	4,200	4,200
Other assets	2,917	2,699	2,492	2,680	2,889	2,935	3,083	3,251	3,418	3,375	1,132	1,193
Non-current Assets, discontinued operations	0	1,324	10,881	12,528	12,842	59,829	133,215	168,426	169,367	170,433	173,812	176,065
Total Assets	253,545	236,656	275,973	266,380	274,703	324,242	421,308	444,725	501,885	506,862	498,069	503,043
Current Liabilities:
Accounts payable	22,097	14,657	13,301	9,623	12,952	13,294	8,655	8,606	11,622	8,887	7,985	6,351
Accrued compensation	4,145	6,733	4,104	5,921	8,941	9,418	3,256	4,735	7,500	6,424	4,128	3,974
Other accrued liabilities	7,142	11,626	9,365	6,622	6,479	12,993	3,880	4,713	3,009	5,776	6,115	3,669
Current portion of lease liabilities	1,270	1,216	4,334	4,352	4,368	4,395	1,218	1,236	977	1,005	710	711
Deferred revenue	4,055	2,711	731	803	919	1,614	967	1,069	287	740	297	0
Line of credit	0		48,000	44,000	40,000	39,900	42,000	32,000	29,000	41,000	77,000	69,000
Current portion of long-term debt, net	580		98,953	98,569	98,178						11,189	11,027
Current liabilities, discontinued operations	0	458	16,832	8,845	4,744	8,790	62,416	51,290	49,457	61,481	66,454	58,961
Total Current Liabilities	39,289	37,401	195,620	178,735	176,581	90,404	122,392	103,649	101,852	125,313	173,878	153,693
Long-term debt, net	84,256	98,900			0	79,598	124,194	123,833	164,902	145,051	82,000	93,919
Line of credit	16,809	16,000			0
Debt derivative liability	64,900				0
Long-term lease liabilities	9,709	9,998	7,020	7,294	7,658	7,848	11,344	11,655	17,375	17,919	15,475	16,016
Deferred taxes, net	380	80	10	124	126	796	1,201	3,949	5,975	6,104	6,631	8,877
Other non-current liabilities	3,114	203	201	199	190	544	1,932	2,376	2,870	3,032	4,024	4,138
Non-current liabilities, discontinued operations	0	518	1,979	2,153	2,325	2,494	4,821	6,146	6,965	7,240	8,064	7,861
Total Liabilities	218,457	163,100	204,830	188,505	186,880	181,684	265,884	251,608	299,939	304,659	290,072	284,504
Convertible Preferred stock, $0.001 par value; 2,000 shares authorized; 39 shares issued and outstanding at May 28, 2023 (none at May 29, 2022)	39,318	38,535			0
Stockholders’ (Deficit) Equity:
Common stock, $0.001 par value; 50,000 shares authorized; 30,322 and 29,513 shares issued and outstanding at May 28, 2023 and May 29, 2022, respectively	30	30		30	30	29	29	29	29	29	29	29
Additional paid-in capital	174,276	174,243	173,858	168,070	167,352	166,943	166,327	165,725	165,533	164,865	164,068	163,388
Accumulated deficit	(178,536)	(139,252)	(102,745)	(89,939)	(78,973)	(23,702)	(10,116)	28,355	37,742	39,025	46,003	57,626
Accumulated other comprehensive loss	0			(286)	(586)	(712)	(816)	(992)	(1,358)	(1,716)	(2,103)	(2,504)
Total Stockholders’ (Deficit) Equity	(4,230)	35,021	71,143	77,875	87,823	142,558	155,424	193,117	201,946	202,203	207,997	218,539	$ 229,835
Total Liabilities, Convertible Preferred Stock and Stockholders’ (Deficit) Equity	$ 253,545	$ 236,656	$ 275,973	$ 266,380	$ 274,703	$ 324,242	$ 421,308	$ 444,725	$ 501,885	$ 506,862	$ 498,069	$ 503,043