Inventories (Tables)

6 Months Ended

Jun. 30, 2012

Inventory Disclosure [Abstract]

Components of inventories

	June 30, 2012			December 31, 2011
Raw materials	$	1,450,875		$	1,514,928
Work in process		2,276,087			1,441,231
Finished goods		2,358,334			1,492,488
		6,085,296			4,448,647
Less: reserve for obsolete inventory		(173,785	)		(172,557	)
	$	5,911,511		$	4,276,090