INVENTORIES (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012
INVENTORIES [Abstract]
Finished goods	$ 21,681,000	$ 24,657,000
Work in process	5,240,000	3,743,000
Raw materials and supplies	27,037,000	24,095,000
Inventories, net	53,958,000	52,495,000
Inventory reserves	$ 3,900,000	$ 2,200,000