Inventories (Tables)

9 Months Ended

Sep. 30, 2018

Inventory, Net [Abstract]

Components of Inventory

	September 30, 2018			December 31, 2017
Raw materials	$	409,217		$	400,009
Work in progress	177,567			128,296
Finished goods	330,147			251,402
Subtotal	916,931			779,707
Less reserves	(112,950		)	(102,664		)
Total	$	803,981		$	677,043