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ACCOUNTS RECEIVABLE AND ALLOWNCE FOR DOUBTFUL ACCOUNTS (Tables)
12 Months Ended
Dec. 31, 2014
Receivables [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Accounts receivable—net consists of:
 
 
 
December 31, 2014
 
December 31, 2013
 
Accounts receivable
 
$
9,693,000
 
$
8,975,000
 
Allowance for doubtful accounts
 
 
(146,000)
 
 
(236,000)
 
 
 
$
9,547,000
 
$
8,739,000