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ACCOUNTS RECEIVABLE AND ALLOWANCE FOR DOUBTFUL ACCOUNTS (Tables)
 6 Months Ended
Jun. 30, 2018
Receivables [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Accounts receivable - net consists of:
 
 
 
June 30, 2018
 
 
December 31, 2017
 
Accounts receivable
 
$
10,435,000
 
 
$
10,199,000
 
Allowance for doubtful accounts, sales discounts and chargebacks
 
 
(247,000
)
 
 
(152,000
)
 
 
$
10,188,000
 
 
$
10,047,000