Stock Buyback (Details) - USD ($)	12 Months Ended
Mar. 31, 2019	Apr. 01, 2018	Mar. 26, 2017
Stock Buyback
Tax withholding for share based compensation	$ 111,100	$ 65,400	$ 192,400

The amount of adjustment to stockholders' equity associated with an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration