Inventories (Tables)

9 Months Ended

Sep. 30, 2017

Inventories [Abstract]

Schedule of inventories

	September 30, 2017			December 31, 2016
Raw materials	$	963,097		$	1,003,359
Work-in-process		1,887,708			639,345
Finished goods		1,204,676			772,652
		4,055,481			2,415,356
Less: reserve for obsolete inventories		(22,109	)		(21,177	)
	$	4,033,372		$	2,394,179