INVENTORIES (Details) - USD ($)	Jan. 02, 2016	Jan. 03, 2015
INVENTORIES
Finished goods	$ 7,446,000	$ 7,144,000
Work in process	1,459,000	1,119,000
Raw materials and supplies	10,741,000	9,213,000
Inventories	19,646,000	17,476,000
Increase in inventories, if inventories valued on the LIFO basis were valued at current costs	$ 5,748,000	$ 6,063,000