Consolidated Statements of Stockholders' Deficit - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total
Balance (in shares) at Mar. 31, 2019	9,336,338			5,141,763
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			0
Shares issued in connection with share-based compensation plans	$ 1	1,077	0	$ 0	1,078
Withholding tax on net share settlement of share-based compensation plans	$ 0	(8)	0	$ 0	(8)
Repurchase of common stock (in shares)	0			85,642
Repurchase of common stock	$ 0	0	0	$ (4,966)	(4,966)
Dividends on common stock	0	0	(5,912)	0	(5,912)
Share-based compensation	0	116	0	0	116
Net income	$ 0	0	13,435	$ 0	$ 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)
Shares issued in connection with share-based compensation plans (in shares)	223			0
Shares issued in connection with share-based compensation plans	$ 0	0	0	$ 0	0
Withholding tax on net share settlement of share-based compensation plans	$ 0	(6)	0	$ 0	(6)
Repurchase of common stock (in shares)	0			26,676
Repurchase of common stock	$ 0	0	0	$ (1,501)	(1,501)
Dividends on common stock	0	0	(5,761)	0	(5,761)
Share-based compensation	0	116	0	0	116
Net income	$ 0	0	11,075	$ 0	$ 11,075
Balance (in shares) at Mar. 28, 2021	9,369,015			5,254,081	4,114,934
Balance at Mar. 28, 2021	$ 94	$ 62,240	$ (40,042)	$ (84,770)	$ (62,478)