Inventories (Tables)

9 Months Ended

Sep. 30, 2013

Inventories [Abstract]

Components of inventories

	September 30, 2013			December 31, 2012
Raw materials	$	1,560,581		$	1,685,493
Work in process		2,580,155			2,602,990
Finished goods		2,215,100			1,745,052
		6,355,836			6,033,535
Less: reserve for obsolete inventory		(139,621	)		(135,980	)
	$	6,216,215		$	5,897,555