Discontinued Operations - Financial Results of Retail Segment (Details) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 26, 2021	Dec. 27, 2020	Dec. 26, 2021	Dec. 27, 2020	Mar. 28, 2021
Discontinued Operations Income Statement Disclosures
Gain on disposal				$ 3,020,800
Net income (loss) attributable to discontinued operations	$ 243,800	$ 4,787,500	$ 1,187,900	7,706,000
ASSETS
Current portion of assets held for sale					$ 1,196,900
Cash provided by investing activities from discontinued operations			0	9,200,000
Discontinued Operations, Disposed of by Sale | Ventev brand and other retail-related assets
Discontinued Operations Income Statement Disclosures
Revenues	383,800	26,413,900	2,992,700	80,512,800
Cost of goods sold	56,700	21,529,700	1,179,600	67,704,600
Gross profit	327,100	4,884,200	1,813,100	12,808,200
Selling, general and administrative expenses	83,200	3,215,700	636,400	7,442,000
Income from operations	243,900	1,668,500	1,176,700	5,366,200
Gain on disposal		3,020,800		3,020,800
Income (loss) from operations before income taxes	243,900	4,689,300	1,176,700	8,387,000
Provision for (benefit from) income taxes	100	(98,200)	(11,200)	681,000
Net income (loss) attributable to discontinued operations	$ 243,800	$ 4,787,500	$ 1,187,900	$ 7,706,000
ASSETS
Discontinued Operation, Name of Segment	tess:RetailMarketSegmentMember	tess:RetailMarketSegmentMember	tess:RetailMarketSegmentMember	tess:RetailMarketSegmentMember
Cash provided by operating activities from discontinued operations			$ 5,300,000	$ 10,600,000
Discontinued Operations, Held-for-sale | Ventev brand and other retail-related assets
ASSETS
Product inventory, net					1,196,900
Current portion of assets held for sale					$ 1,196,900