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. 29, 2020	9,368,792			5,227,405
Balance at Mar. 29, 2020	$ 94,000	$ 62,130,000	$ (45,356,000)	$ (83,269,000)	$ (66,401,000)
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)
Dividends on common stock	0	0	(2,880,000)	0	(2,880,000)
Share-based compensation	0	58,000	0	0	58,000
Net income	$ 0	0	7,655,000	$ 0	7,655,000
Repurchase of common stock (in shares)	0			26,676
Repurchase of common stock	$ 0	0	0	$ (1,501)	(1,501)
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)
Balance (in shares) at Jun. 28, 2020	9,368,792			5,254,081
Balance at Jun. 28, 2020	$ 94,000	62,159,000	(42,796,000)	$ (84,770,000)	(65,313,000)
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)
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	3,655,000	$ 0	3,655,000
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)
Balance (in shares) at Mar. 28, 2021	9,369,015			5,254,081	4,114,934
Balance at Mar. 28, 2021	$ 94,000	62,240,000	(40,042,000)	$ (84,770,000)	$ (62,478,000)
Shares issued in connection with share-based compensation plans (in shares)	220			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	(7,000)	0	0	(7,000)
Dividends on common stock	0	0	(2,880,000)	0	(2,880,000)
Share-based compensation	0	58,000	0	0	58,000
Net income	$ 0	0	9,308,000	$ 0	$ 9,308,000
Repurchase of common stock (in shares)					0
Balance (in shares) at Sep. 26, 2021	9,369,235			5,254,081	4,115,154
Balance at Sep. 26, 2021	$ 94,000	62,291,000	(33,614,000)	$ (84,770,000)	$ (55,999,000)
Balance (in shares) at Jun. 27, 2021	9,369,015			5,254,081
Balance at Jun. 27, 2021	$ 94,000	62,269,000	(35,719,000)	$ (84,770,000)	(58,126,000)
Shares issued in connection with share-based compensation plans (in shares)	220			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	(7,000)	0	0	(7,000)
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	3,545,000	$ 0	$ 3,545,000
Balance (in shares) at Sep. 26, 2021	9,369,235			5,254,081	4,115,154
Balance at Sep. 26, 2021	$ 94,000	$ 62,291,000	$ (33,614,000)	$ (84,770,000)	$ (55,999,000)