Inventories (Tables)

3 Months Ended

Mar. 31, 2012

Inventories [Abstract]

Schedule Of Inventories

	March 31, 2012		December 31, 2011
Raw materials	$	141,927,724	$	129,796,238
Work-in-process		26,323,114		26,367,953
Finished goods		32,500,322		32,589,121
	$	200,751,160	$	188,753,312