Inventories (Tables)

6 Months Ended

Jun. 30, 2015

Inventories [Abstract]

Components of inventories

	June 30, 2015			December 31, 2014
Raw materials	$	1,475,878		$	835,589
Work-in-process		1,456,898			1,454,999
Finished goods		1,814,015			2,132,080
		4,746,791			4,422,668
Less: reserve for obsolete inventories		(183,129	)		(181,646	)
	$	4,563,662		$	4,241,022