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Inventories
6 Months Ended
Jun. 30, 2012
Inventories [Abstract]  
Inventories

(5)  Inventories consisted of the following at the respective balance sheet dates:

 

 

 

 

 

 

 

 

June 30, 2012

 

December 31, 2011

Raw materials

 

$

 129,958,819 

 

$

 129,796,238 

Work-in-process

 

 

 28,844,198 

 

 

 26,367,953 

Finished goods

 

 

 33,526,988 

 

 

 32,589,121 

Total Inventory

 

$

 192,330,005 

 

$

 188,753,312