Inventories (Tables)

3 Months Ended

Mar. 31, 2015

Inventories [Abstract]

Components of inventories

	March 31, 2015			December 31, 2014
Raw materials	$	1,318,368		$	835,589
Work-in-process		1,854,069			1,454,999
Finished goods		2,214,649			2,132,080
		5,387,086			4,422,668
Less: reserve for obsolete inventories		(182,521	)		(181,646	)
	$	5,204,565		$	4,241,022