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ACCOUNTS RECEIVABLE (Tables)
3 Months Ended
Mar. 31, 2014
Notes to Financial Statements  
Components of accounts receivable
  March 31, December 31,
  2014 2013
  (Unaudited)  
Accounts Receivable Gross $ 13,798,000   $ 9,367,000  
Allowance for Doubtful Accounts (889,000)   (783,000)  
Accounts Receivable Net $ 12,909,000   $ 8,584,000