Quarterly report pursuant to sections 13 or 15(d)

TRADE RECEIVABLES (Details)

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TRADE RECEIVABLES (Details) (USD $)
Jun. 30, 2012
Dec. 31, 2011
TRADE RECEIVABLES [Abstract]    
Trade receivables $ 25,593,000 $ 23,408,000
Less allowance for doubtful accounts (210,000) (210,000)
Trade receivables, net 25,383,000 23,198,000
Trade receivables serving as collateral $ 18,100,000 $ 16,800,000