CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Common Stock Issued $0.50 Par Value [Member]	Capital In Excess of Par Value [Member]	Accumulated Other Comprehensive Loss [Member]	Retained Earnings [Member]	Total
Balance at Mar. 28, 2020	$ 3,691	$ 17,929	$ (1,010)	$ 46,477	$ 67,087
Balance (in Shares) at Mar. 28, 2020	7,381,000
Issuance of Common Stock	$ 14	369			383
Issuance of Common Stock (in Shares)	28,000
Repurchase of Common Stock	$ (24)	(579)		(684)	(1,287)
Repurchase of Common Stock (in Shares)	(48,000)
Stock-Based Compensation	$ 25	287			312
Stock-Based Compensation (in Shares)	50,000
Other Comprehensive Income			163		163
Net Income				798	798
Balance at Jun. 27, 2020	$ 3,706	18,006	(847)	46,591	67,456
Balance (in Shares) at Jun. 27, 2020	7,411,000
Balance at Mar. 27, 2021	$ 3,729	19,287	(451)	52,513	$ 75,078
Balance (in Shares) at Mar. 27, 2021	7,458,000				7,458,251
Issuance of Common Stock	$ 26	673			$ 699
Issuance of Common Stock (in Shares)	52,000
Repurchase of Common Stock	$ (31)	(755)		(2,591)	(3,377)
Repurchase of Common Stock (in Shares)	(62,000)
Stock-Based Compensation	$ 10	427			437
Stock-Based Compensation (in Shares)	21,000
Other Comprehensive Income			182		182
Net Income				3,688	3,688
Balance at Jun. 26, 2021	$ 3,734	$ 19,632	$ (269)	$ 53,610	$ 76,707
Balance (in Shares) at Jun. 26, 2021	7,469,000				7,468,991