Inventories (Tables)

6 Months Ended

Jun. 30, 2011

Inventories

Inventory Costs

	June 30,		December 31,
	2011		2010
Raw materials	$	287,239	$	274,245
Work in process		79,963		60,776
Finished goods		29,062		26,549
	$	396,264	$	361,570