Income Taxes - Provision for Continuing Operations (Details) - USD ($)	3 Months Ended								12 Months Ended
	Mar. 28, 2021	Dec. 27, 2020	Sep. 27, 2020	Jun. 28, 2020	Mar. 29, 2020	Dec. 29, 2019	Sep. 29, 2019	Jun. 30, 2019	Mar. 28, 2021	Mar. 29, 2020	Mar. 31, 2019
Federal
Current									$ (4,263,700)	$ (4,008,000)	$ (3,120,400)
Deferred									(48,200)	(2,642,800)	509,400
State
Current									16,700	(411,000)	(321,500)
Deferred									450,700	(413,000)	18,700
Benefit from income taxes	$ (1,958,000)	$ (740,400)	$ (824,300)	$ (321,800)	$ (5,297,200)	$ (641,000)	$ (109,600)	$ (1,427,000)	$ (3,844,500)	$ (7,474,800)	$ (2,913,800)