Income Taxes - Unrecognized tax benefits (Details) - USD ($)	12 Months Ended
Mar. 28, 2021	Mar. 29, 2020	Apr. 01, 2018	Mar. 31, 2019	Mar. 26, 2017
Income Taxes
Unrecognized tax benefits		$ 0	$ 112,700	$ 0	$ 204,500
Amount of interest and penalties expense (benefit) related to tax uncertainties recognized, net of federal expense/benefit	$ 0	250,500	38,100
Cumulative amount of interest and penalties related to tax uncertainties, net of federal expense (benefit)		$ 0	$ 250,500	$ 0

No definition available.

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- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
-Paragraph 10B
-URI http://asc.fasb.org/extlink&oid=116821951&loc=SL37586934-109318

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319

+ Details

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- Definition

Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319

+ Details

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- Definition

Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

+ References

+ Details

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