Inventories (Detail Textuals) - USD ($) $ in Thousands	Oct. 03, 2015	Dec. 27, 2014
Inventory Disclosure [Abstract]
Inventories, reserves	$ 150	$ 150

Amount of valuation reserve for inventory.

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Name:	us-gaap_InventoryValuationReserves
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant