CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - 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. 26, 2016	$ 3,462	$ 12,993	$ (358)	$ 22,814	$ 38,911
Balance (in Shares) at Mar. 26, 2016	6,924,000
Issuance of Common Stock	$ 40	595			635
Issuance of Common Stock (in Shares)	80,000
Repurchase of Common Stock	$ (5)	(54)		(39)	(98)
Repurchase of Common Stock (in shares)	(10,000)
Stock-Based Compensation	$ 25	428			453
Stock-Based Compensation (in Shares)	50,000
Redemption of Stock Options		(966)			(966)
Other Comprehensive Loss			(56)		(56)
Net Income				4,522	4,522
Balance at Mar. 25, 2017	$ 3,522	12,996	(414)	27,297	$ 43,401
Balance (in Shares) at Mar. 25, 2017	7,044,000				7,043,754
Issuance of Common Stock	$ 57	874			$ 931
Issuance of Common Stock (in Shares)	114,000
Repurchase of Common Stock	$ (14)	(213)		(133)	(360)
Repurchase of Common Stock (in shares)	(28,000)
Stock-Based Compensation	$ 13	1,398			1,411
Stock-Based Compensation (in Shares)	25,000
Redemption of Stock Options		(90)			(90)
Other Comprehensive Loss			133		133
Net Income				5,922	5,922
Balance at Mar. 31, 2018	$ 3,578	$ 14,965	$ (281)	$ 33,086	$ 51,348
Balance (in Shares) at Mar. 31, 2018	7,155,000				7,155,050