Stock Buyback (Details) - USD ($)	3 Months Ended
Jun. 25, 2017	Jun. 26, 2016
Stock Buyback
Tax withholding for share based compensation	$ 64,800	$ 187,600

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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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration