INVENTORIES (Details) (USD $)	12 Months Ended
Dec. 28, 2013	Jan. 03, 2015	Dec. 29, 2012
INVENTORIES
Finished goods	$ 6,958,000	$ 7,144,000
Work in process	985,000	1,119,000
Raw materials and supplies	8,269,000	9,213,000
Inventories	16,212,000us-gaap_InventoryNet	17,476,000us-gaap_InventoryNet
Increase in inventories, if inventories valued on the LIFO basis were valued at current costs	6,328,000	6,328	6,328,000
Increase (decrease) in cost of sales due to liquidation of LIFO inventory layers	$ (16,000)

The effect of liquidating LIFO (last in first out) inventory layers on income.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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- Definition

The excess of replacement or current cost over the stated LIFO (last in first out) inventory value when the LIFO inventory method is utilized.

+ References

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- Definition

Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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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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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.

+ References

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Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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