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Accounts Receivable (Tables)
 9 Months Ended
Sep. 26, 2015
Receivables [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable [Text Block]
Accounts receivable, net, consists of the following:
 
 
September 26,
2015
 
December 31,
2014
Accounts receivable
 
$
5,114,877

 
$
6,103,038

Allowances for doubtful accounts
 
(49,374
)
 
(59,188
)
Accounts receivable, net
 
$
5,065,503

 
$
6,043,850