Inventories (Tables)

12 Months Ended

Dec. 31, 2012

Inventories [Abstract]

Components of inventories

	December 31, 2012			December 31, 2011
Raw materials	$	1,685,493		$	1,514,928
Work in process		2,602,990			1,441,231
Finished goods		1,745,052			1,492,488
		6,033,535			4,448,647
Less: reserve for obsolete inventory		(135,980	)		(172,557	)
	$	5,897,555		$	4,276,090