Inventories (Tables)

12 Months Ended

Dec. 31, 2016

Inventories [Abstract]

Components of inventories

	December 31, 2016			December 31, 2015
Raw materials	$	1,003,359		$	643,976
Work-in-process		639,345			549,824
Finished goods		772,652			495,906
		2,415,356			1,689,706
Less: reserve for obsolete inventories		(21,177	)		(22,658	)
	$	2,394,179		$	1,667,048