Inventories (Tables)

9 Months Ended

Sep. 30, 2017

Inventory Disclosure [Abstract]

Net components of inventories

The components of inventories are as follows:

	September 30, 2017		December 31, 2016
Finished goods	$	1,310,957	1,127,573
Work in process	151,906		137,310
Raw materials	448,166		410,868
Total inventories	$	1,911,029	1,675,751