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ACCOUNTS RECEIVABLE AND ALLOWANCE FOR DOUBTFUL ACCOUNTS (Details) - USD ($)
Mar. 31, 2019
Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts receivable $ 9,200,000 $ 9,847,000
Allowance for doubtful accounts, sales discounts and chargebacks (204,000) (273,000)
Accounts Receivable, Net, Current, Total $ 8,996,000 $ 9,574,000