Consolidated Statements of Stockholders' Deficit (Unaudited) - USD ($)	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	$ 93,000	$ 60,945,000	$ (52,879,000)	$ (78,303,000)	$ (70,144,000)
Repurchase of common stock (in shares)	0			13,709
Repurchase of common stock	$ 0	0	0	$ (985,000)	(985,000)
Dividends on common stock	0	0	(4,437,000)	0	(4,437,000)
Share-based compensation	0	87,000	0	0	87,000
Net income	$ 0	0	10,240,000	$ 0	10,240,000
Shares issued in connection with share-based compensation plans (in shares)	32,454			0
Shares issued in connection with share-based compensation plans	$ 1,000	1,077,000	0	$ 0	1,078,000
Withholding tax on net share settlement of share-based compensation plans	$ 0	(8,000)	0	$ 0	(8,000)
Balance (in shares) at Dec. 29, 2019	9,368,792			5,155,472
Balance at Dec. 29, 2019	$ 94,000	62,101,000	(47,076,000)	$ (79,288,000)	(64,169,000)
Balance (in shares) at Sep. 29, 2019	9,368,792			5,141,763
Balance at Sep. 29, 2019	$ 94,000	62,072,000	(46,810,000)	$ (78,303,000)	(62,947,000)
Repurchase of common stock (in shares)	0			13,709
Repurchase of common stock	$ 0	0	0	$ (985,000)	(985,000)
Dividends on common stock	0	0	(1,479,000)	0	(1,479,000)
Share-based compensation	0	29,000	0	0	29,000
Net income	$ 0	0	1,213,000	$ 0	1,213,000
Balance (in shares) at Dec. 29, 2019	9,368,792			5,155,472
Balance at Dec. 29, 2019	$ 94,000	62,101,000	(47,076,000)	$ (79,288,000)	$ (64,169,000)
Balance (in shares) at Mar. 29, 2020	9,368,792			5,227,405	4,141,387
Balance at Mar. 29, 2020	$ 94,000	62,130,000	(45,356,000)	$ (83,269,000)	$ (66,401,000)
Repurchase of common stock (in shares)	0			26,676	26,676
Repurchase of common stock	$ 0	0	0	$ (1,501,000)	$ (1,501,000)
Dividends on common stock	0	0	(4,320,000)	0	(4,320,000)
Share-based compensation	0	87,000	0	0	87,000
Net income	$ 0	0	9,014,000	$ 0	9,014,000
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	(6,000)	0	$ 0	$ (6,000)
Balance (in shares) at Dec. 27, 2020	9,369,015			5,254,081	4,114,934
Balance at Dec. 27, 2020	$ 94,000	62,211,000	(40,662,000)	$ (84,770,000)	$ (63,127,000)
Balance (in shares) at Sep. 27, 2020	9,369,015			5,254,081
Balance at Sep. 27, 2020	$ 94,000	62,182,000	(40,581,000)	$ (84,770,000)	(63,075,000)
Repurchase of common stock (in shares)	0			0
Repurchase of common stock	$ 0	0	0	$ 0	0
Dividends on common stock	0	0	(1,440,000)	0	(1,440,000)
Share-based compensation	0	29,000	0	0	29,000
Net income	$ 0	0	1,359,000	$ 0	$ 1,359,000
Balance (in shares) at Dec. 27, 2020	9,369,015			5,254,081	4,114,934
Balance at Dec. 27, 2020	$ 94,000	$ 62,211,000	$ (40,662,000)	$ (84,770,000)	$ (63,127,000)