Inventories (Tables)

9 Months Ended

Sep. 30, 2012

Inventories [Abstract]

Components of inventories

	September 30, 2012			December 31, 2011
Raw materials	$	1,861,015		$	1,514,928
Work in process		2,363,824			1,441,231
Finished goods		2,169,188			1,492,488
		6,394,027			4,448,647
Less: reserve for obsolete inventory		(173,393	)		(172,557	)
	$	6,220,634		$	4,276,090