Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock [Member]	Total
Balance (in shares) at Mar. 01, 2020	20,965,144				446,321
Balance at Mar. 01, 2020	$ 2,096	$ 169,862	$ (21,774)	$ 668	$ (9,177)
Net earnings			1,957			$ 1,957
Unrealized gain on marketable securities, net of tax				204
Stock-based compensation		43
Cash dividends			(2,038)
Repurchase of treasury shares (in shares)					137,397
Repurchase of treasury shares					$ (1,644)
Balance (in shares) at May. 31, 2020	20,965,144				583,718
Balance at May. 31, 2020	$ 2,096	169,905	(21,855)	872	$ (10,821)
Balance (in shares) at Feb. 28, 2021	20,965,144				582,268
Balance at Feb. 28, 2021	$ 2,096	170,038	(25,063)	(336)	$ (10,794)	135,941	[1]
Net earnings			2,745			2,745
Unrealized gain on marketable securities, net of tax				52
Stock-based compensation		64
Cash dividends			(2,038)
Balance (in shares) at May. 30, 2021	20,965,144				582,268
Balance at May. 30, 2021	$ 2,096	$ 170,102	$ (24,356)	$ (284)	$ (10,794)	$ 136,764

[1] The balance sheet at February 28, 2021 has been derived from the audited consolidated financial statements at that date.