Inventories (Tables)

3 Months Ended

Mar. 31, 2013

Inventory Disclosure [Abstract]

Summary of Inventories

Inventories consist of the following:

	March 31, 2013		December 31, 2012
Raw materials	$	75,752	$	76,610
Work-in-process		19,708		19,708
Finished goods		35,793		38,321
	$	131,253	$	134,639