Inventories (Tables)

6 Months Ended

Jun. 30, 2013

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories consisted of the following at the respective balance sheet dates:

	June 30, 2013		December 31, 2012
Raw materials	$	74,712,375	$	114,750,525
Work-in-process	20,821,296		24,588,734
Finished goods	20,468,299		20,591,007
Total Inventory	$	116,001,970	$	159,930,266