Inventories (Tables)

3 Months Ended

Mar. 31, 2014

Inventories [Abstract]

Components of inventories

	March 31, 2014			December 31, 2013
Raw materials	$	2,175,861		$	1,627,784
Work in process		2,366,133			1,778,650
Finished goods		1,745,578			1,509,606
		6,287,572			4,916,040
Less: reserve for obsolete inventory		(180,957	)		(182,482	)
	$	6,106,615		$	4,733,558