Consolidated Statements of Stockholders' (Deficit) - USD ($) $ in Thousands	Cumulative Effect, Period of Adoption, Adjustment [Member] Common Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Additional Paid-in Capital [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Treasury Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total
Balance (in shares) at Mar. 25, 2018						9,311,922			5,127,373
Balance (Accounting Standards Update 2014-09 [Member]) at Mar. 25, 2018			$ (2,004)		$ (2,004)
Balance at Mar. 25, 2018						$ 93	$ 60,823	$ (68,181)	$ (77,303)	$ (84,568)
Shares issued in connection with share-based compensation plans (in shares)						24,416
Shares issued in connection with share-based compensation plans							134			134
Withholding tax on net share settlement of share-based compensation plans							(174)			(174)
Repurchase of common stock (in shares)									14,390
Repurchase of common stock									$ (1,000)	(1,000)
Dividends on common stock								(4,187)		(4,187)
Share-based compensation							162			162
Net income								21,493		$ 21,493
Balance (in shares) at Mar. 31, 2019						9,336,338			5,141,763	4,194,575
Balance at Mar. 31, 2019						$ 93	60,945	(52,879)	$ (78,303)	$ (70,144)
Shares issued in connection with share-based compensation plans (in shares)						32,454
Shares issued in connection with share-based compensation plans						$ 1	1,077			1,078
Withholding tax on net share settlement of share-based compensation plans							(8)			(8)
Repurchase of common stock (in shares)									85,642
Repurchase of common stock									$ (4,966)	(4,966)
Dividends on common stock								(5,912)		(5,912)
Share-based compensation							116			116
Net income								13,435		$ 13,435
Balance (in shares) at Mar. 29, 2020						9,368,792			5,227,405	4,141,387
Balance at Mar. 29, 2020						$ 94	$ 62,130	$ (45,356)	$ (83,269)	$ (66,401)