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Inventories
12 Months Ended
Dec. 31, 2014
Inventory, Net [Abstract]  
Inventories [Text Block]
5. Inventories, net

 
December 31, 2014
 
December 31, 2013
Raw materials
$
352,016

 
$
338,621

Work in progress
147,715

 
127,611

Finished goods
483,912

 
367,011

Subtotal
983,643

 
833,243

Less reserves
(119,906
)
 
(117,932
)
Total
$
863,737

 
$
715,311



At December 31, 2014 and 2013, approximately 25% and 30%, respectively, of the Company's total inventories were accounted for using the LIFO method.