Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock, Common [Member]	Total
Balance (in shares) at Feb. 27, 2022	20,965,144				506,934
Balance at Feb. 27, 2022	$ 2,096,000	$ 169,665,000	$ (24,767,000)	$ (1,965,000)	$ (9,397,000)
Net earnings	0	0	1,910,000	0	0	$ 1,910,000
Net earnings	0	0	1,910,000	0	0	1,910,000
Unrealized gain (loss) on marketable securities, net of tax	0	0	0	(933,000)	0
Stock-based compensation	0	85,000	0	0	0
Cash dividends	$ 0	0	(2,046,000)	0	$ 0
Balance (in shares) at May. 29, 2022	20,965,144				506,934
Balance at May. 29, 2022	$ 2,096,000	169,750,000	(24,903,000)	(2,898,000)	$ (9,397,000)
Balance (in shares) at Feb. 26, 2023	20,965,144				493,934
Balance at Feb. 26, 2023	$ 2,096,000	169,932,000	(42,694,000)	(4,244,000)	$ (9,156,000)	115,934,000	[1]
Net earnings	0	0	1,854,000	0		1,854,000
Net earnings	0	0	1,854,000	0		1,854,000
Unrealized gain (loss) on marketable securities, net of tax	0	0	0	716,000	0
Stock-based compensation	$ 0	218,000	0	0	$ 0
Purchase of treasury stock (in shares)	0				129,654
Purchase of treasury stock	$ 0	0	0	0	$ (1,669,000)
Cash dividends	$ 0	0	(2,559,000)	0	$ 0
Balance (in shares) at May. 28, 2023	20,965,144				623,588
Balance at May. 28, 2023	$ 2,096,000	$ 170,150,000	$ (43,399)	$ (3,528,000)	$ (10,825,000)	$ 114,494,000

[1] The balance sheet at February 26, 2023 has been derived from the audited consolidated financial statements at that date.