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PROPERTY, PLANT AND EQUIPMENT (Detail Textuals) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
PROPERTY, PLANT AND EQUIPMENT      
Depreciation expense $ 712,000us-gaap_DepreciationAndAmortization $ 726,000us-gaap_DepreciationAndAmortization $ 768,000us-gaap_DepreciationAndAmortization