Inventories (Tables)

3 Months Ended

Mar. 31, 2016

Inventories [Abstract]

Components of inventories

	March 31, 2016			December 31, 2015
Raw materials	$	957,577		$	690,824
Work-in-process		820,154			1,593,815
Finished goods		1,391,058			635,771
		3,168,789			2,920,410
Less: reserve for obsolete inventories		(1,100,583	)		(1,093,326	)
	$	2,068,206		$	1,827,084