Inventories (Tables)

6 Months Ended

Jun. 30, 2011

Inventories

Schedule of Inventories

	June 30,  2011		December 31, 2010
Raw materials and supplies	$	206,306	$	162,439
Work in process	259,335		231,719
Finished goods	176,632		155,011
	$	642,273	$	549,169