Discontinued Operations - Financial Results of Retail Segment (Details) - USD ($)	3 Months Ended		6 Months Ended
	Sep. 25, 2022	Sep. 26, 2021	Sep. 25, 2022	Sep. 26, 2021
Discontinued Operations Income Statement Disclosures
Net income (loss) attributable to discontinued operations	$ (29,900)	$ 448,600	$ 212,400	$ 944,100
Discontinued Operations, Disposed of by Sale | Ventev brand and other retail-related assets
Discontinued Operations Income Statement Disclosures
Revenues	146,000	1,110,100	310,000	2,608,900
Cost of goods sold	300,000	698,000	300,000	1,122,900
Gross profit	(154,000)	412,100	10,000	1,486,000
Selling, general and administrative expenses	(100,200)	(31,200)	(174,000)	553,200
Income (loss) from operations before income taxes	(53,800)	443,300	184,000	932,800
Provision for (benefit from) income taxes	(23,900)	(5,300)	(28,400)	(11,300)
Net income (loss) attributable to discontinued operations	$ (29,900)	$ 448,600	$ 212,400	$ 944,100
Discontinued Operation, Name of Segment	tess:RetailMarketSegmentMember	tess:RetailMarketSegmentMember	tess:RetailMarketSegmentMember	tess:RetailMarketSegmentMember
Cash provided by operating activities from discontinued operations			$ 600,000	$ 4,600,000