Shares Withheld (Details) - USD ($)	3 Months Ended
Jun. 28, 2020	Jun. 30, 2019
Shares Withheld
Tax withholding for share based compensation	$ 58,800	$ 189,100

Amount of decrease to equity for grantee's tax withholding obligation for award under share-based payment arrangement.

No definition available.

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