Inventories

3 Months Ended

Mar. 31, 2018

Inventory Disclosure [Abstract]

Inventories

Inventories

The components of inventories are as follows:

	March 31, 2018		December 31, 2017
Finished goods	$	1,403,472	1,326,038
Work in process	167,717		159,921
Raw materials	473,773		462,704
Total inventories	$	2,044,962	1,948,663