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Inventories
3 Months Ended
Mar. 31, 2012
Inventories  
Inventories

(6)                   Inventories

 

Inventories are stated at the lower of cost (first-in, first-out) or market, and consist of the following at the stated dates:

 

 

 

31-Mar-2012

 

31-Dec-2011

 

Raw materials

 

$

5,403,150

 

$

5,425,773

 

Work in process

 

1,659,818

 

1,513,794

 

Finished goods

 

3,003,373

 

2,819,056

 

Total inventory

 

$

10,066,341

 

$

9,758,623