Inventories (Details) - USD ($) $ in Thousands	Jan. 02, 2016	Dec. 27, 2014
Summary of inventories
Raw materials	$ 5,555	$ 6,329
Work in process	4,478	3,979
Finished goods	3,464	4,433
Provision for slow moving inventory	(450)	(643)
Total	$ 13,047	$ 14,098

Summary of inventories.

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount of valuation reserve for inventory.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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