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ACCOUNTS RECEIVABLE AND ALLOWANCE FOR DOUBTFUL ACCOUNTS (Details) (USD $)
Jun. 30, 2013
Dec. 31, 2012
Accounts receivable $ 12,241,000 $ 6,953,000
Allowance for doubtful accounts (313,000) (278,000)
Accounts Receivable, Net, Current, Total $ 11,928,000 $ 6,675,000